diff --git a/code/__DEFINES/mobs.dm b/code/__DEFINES/mobs.dm
index 11ba7db35483..4d56058225f0 100644
--- a/code/__DEFINES/mobs.dm
+++ b/code/__DEFINES/mobs.dm
@@ -387,6 +387,16 @@ var/list/default_onmob_icons = list(
 		WEAR_ACCESSORIES = 'icons/mob/humans/onmob/ties.dmi'
 		)
 
+var/list/default_xeno_onmob_icons = list(
+		/mob/living/carbon/Xenomorph/Runner = 'icons/mob/xenos/onmob/runner.dmi',
+		/mob/living/carbon/Xenomorph/Praetorian = 'icons/mob/xenos/onmob/praetorian.dmi',
+		/mob/living/carbon/Xenomorph/Drone = 'icons/mob/xenos/onmob/drone.dmi',
+		/mob/living/carbon/Xenomorph/Warrior = 'icons/mob/xenos/onmob/warrior.dmi',
+		/mob/living/carbon/Xenomorph/Defender = 'icons/mob/xenos/onmob/defender.dmi',
+		/mob/living/carbon/Xenomorph/Sentinel = 'icons/mob/xenos/onmob/sentinel.dmi',
+		/mob/living/carbon/Xenomorph/Spitter = 'icons/mob/xenos/onmob/spitter.dmi'
+		)
+
 // species names
 #define SPECIES_HUMAN "Human"
 #define SPECIES_YAUTJA "Yautja"
diff --git a/code/_onclick/adjacent.dm b/code/_onclick/adjacent.dm
index 52bbee8b9e61..2a0a33be14cf 100644
--- a/code/_onclick/adjacent.dm
+++ b/code/_onclick/adjacent.dm
@@ -100,7 +100,10 @@ Quick adjacency (to turf):
 		if(recurse > 0)
 			return loc.Adjacent(neighbor, recurse - 1)
 		return FALSE
+	else if(isXeno(loc)) //Xenos don't count as storage depth.
+		return loc.Adjacent(neighbor, recurse)
 	return ..()
+
 /*
 	Special case: This allows you to reach a door when it is visally on top of,
 	but technically behind, a fire door
diff --git a/code/_onclick/human.dm b/code/_onclick/human.dm
index 27515a07e4a0..5d78f737902c 100644
--- a/code/_onclick/human.dm
+++ b/code/_onclick/human.dm
@@ -92,6 +92,36 @@
 	if(user != src)
 		return . = ..()
 
+	if(isXeno(dropping))
+		var/mob/living/carbon/Xenomorph/xeno = dropping
+		if(xeno.back)
+			var/obj/item/back_item = xeno.back
+			if(xeno.stat != DEAD) // If the Xeno is alive, fight back
+				var/mob/living/carbon/carbon_user = user
+				if(!carbon_user || !carbon_user.ally_of_hivenumber(xeno.hivenumber))
+					user.KnockDown(rand(xeno.caste.tacklestrength_min, xeno.caste.tacklestrength_max))
+					playsound(user.loc, 'sound/weapons/pierce.ogg', 25, TRUE)
+					user.visible_message(SPAN_WARNING("\The [user] tried to unstrap \the [back_item] from [xeno] but instead gets a tail swipe to the head!"))
+					return
+			if(user.get_active_hand())
+				to_chat(user, SPAN_WARNING("You can't unstrap \the [back_item] from [xeno] with your hands full."))
+				return
+			user.visible_message(SPAN_NOTICE("\The [user] starts unstrapping \the [back_item] from [xeno]"), \
+			SPAN_NOTICE("You start unstrapping \the [back_item] from [xeno]."), null, 5, CHAT_TYPE_FLUFF_ACTION)
+			if(!do_after(user, HUMAN_STRIP_DELAY * user.get_skill_duration_multiplier(), INTERRUPT_ALL, BUSY_ICON_GENERIC, xeno, INTERRUPT_MOVED, BUSY_ICON_GENERIC))
+				to_chat(user, SPAN_WARNING("You were interrupted!"))
+				return
+
+			if(user.get_active_hand())
+				return
+			if(!user.Adjacent(xeno))
+				return
+			xeno.drop_inv_item_on_ground(back_item)
+			if(!back_item || QDELETED(back_item)) //Might be self-deleted?
+				return
+			user.put_in_active_hand(back_item)
+			return
+
 	if(pulling != dropping || grab_level != GRAB_AGGRESSIVE || !ishuman(dropping) || !(a_intent & INTENT_GRAB))
 		return . = ..()
 
diff --git a/code/game/objects/items.dm b/code/game/objects/items.dm
index 0f5bed2b5c26..ccf6badf019f 100644
--- a/code/game/objects/items.dm
+++ b/code/game/objects/items.dm
@@ -97,7 +97,7 @@
 
 	var/mob/living/carbon/human/locked_to_mob = null	// If the item uses flag MOB_LOCK_ON_PICKUP, this is the mob owner reference.
 
-	var/list/equip_sounds//Sounds played when this item is equipped
+	var/list/equip_sounds //Sounds played when this item is equipped
 	var/list/unequip_sounds //Same but when unequipped
 
 	 ///Vision impairing effect if worn on head/mask/glasses.
diff --git a/code/game/objects/items/storage/backpack.dm b/code/game/objects/items/storage/backpack.dm
index f71a121164b5..01f27772932b 100644
--- a/code/game/objects/items/storage/backpack.dm
+++ b/code/game/objects/items/storage/backpack.dm
@@ -16,6 +16,8 @@
 	var/obj/item/card/id/locking_id = null
 	var/is_id_lockable = FALSE
 	var/lock_overridable = TRUE
+	var/xeno_icon_state = null //the icon_state for xeno's wearing this (using the dmi defined in default_xeno_onmob_icons list)
+	var/list/xeno_types = null //what xeno types can equip this backpack
 
 /obj/item/storage/backpack/attackby(obj/item/W, mob/user)
 	if(istype(W, /obj/item/card/id/) && is_id_lockable && ishuman(user))
@@ -27,6 +29,51 @@
 	if (..() && use_sound)
 		playsound(loc, use_sound, 15, TRUE, 6)
 
+/obj/item/storage/backpack/attack(mob/living/target_mob, mob/living/user)
+	if(!xeno_icon_state)
+		return ..()
+	if(target_mob.back)
+		return ..()
+	if(user.a_intent != INTENT_HELP)
+		return ..()
+	if(!xeno_types || !(target_mob.type in xeno_types))
+		return ..()
+	if(!isXeno(target_mob))
+		return ..()
+	if(HAS_TRAIT(target_mob, TRAIT_XENONID))
+		return ..() // We don't have backpack sprites for xenoids (yet?)
+	var/mob/living/carbon/Xenomorph/xeno = target_mob
+	if(target_mob.stat != DEAD) // If the Xeno is alive, fight back
+		var/mob/living/carbon/carbon_user = user
+		if(!carbon_user || !carbon_user.ally_of_hivenumber(xeno.hivenumber))
+			user.KnockDown(rand(xeno.caste.tacklestrength_min, xeno.caste.tacklestrength_max))
+			playsound(user.loc, 'sound/weapons/pierce.ogg', 25, TRUE)
+			user.visible_message(SPAN_WARNING("\The [user] tried to strap \the [src] onto [target_mob] but instead gets a tail swipe to the head!"))
+			return FALSE
+	
+	user.visible_message(SPAN_NOTICE("\The [user] starts strapping \the [src] onto [target_mob]."), \
+	SPAN_NOTICE("You start strapping \the [src] onto [target_mob]."), null, 5, CHAT_TYPE_FLUFF_ACTION)
+	if(!do_after(user, HUMAN_STRIP_DELAY * user.get_skill_duration_multiplier(), INTERRUPT_ALL, BUSY_ICON_GENERIC, target_mob, INTERRUPT_MOVED, BUSY_ICON_GENERIC))
+		to_chat(user, SPAN_WARNING("You were interrupted!"))
+		return FALSE
+
+	// Ensure conditions still valid
+	if(src != user.get_active_hand())
+		return FALSE
+	if(!user.Adjacent(target_mob))
+		return FALSE
+	user.drop_inv_item_on_ground(src)
+	if(!src || QDELETED(src)) //Might be self-deleted?
+		return FALSE
+
+	// Create their vis object if needed
+	if(!xeno.backpack_icon_carrier)
+		xeno.backpack_icon_carrier = new(null, xeno)
+		xeno.vis_contents += xeno.backpack_icon_carrier
+
+	target_mob.put_in_back(src)
+	return FALSE
+
 /obj/item/storage/backpack/proc/toggle_lock(obj/item/card/id/card, mob/living/carbon/human/H)
 	if(QDELETED(locking_id))
 		to_chat(H, SPAN_NOTICE("You lock \the [src]!"))
@@ -48,6 +95,12 @@
 			storage_close(user)
 	..()
 
+/obj/item/storage/unequipped(mob/user, slot, silent)
+	if(slot == WEAR_BACK)
+		if(use_sound && !silent)
+			playsound(loc, use_sound, 15, TRUE, 6)
+	..()
+
 /obj/item/storage/backpack/dropped(mob/user)
 	mouse_opacity = initial(mouse_opacity)
 	..()
@@ -312,18 +365,24 @@ obj/item/storage/backpack/proc/compare_id(var/mob/living/carbon/human/H)
 	icon_state = "marinepack"
 	item_state = "marinepack"
 	has_gamemode_skin = TRUE //replace this with the atom_flag NO_SNOW_TYPE at some point, just rename it to like, NO_MAP_VARIANT_SKIN
+	xeno_icon_state = "marinepack"
+	xeno_types = list(/mob/living/carbon/Xenomorph/Runner, /mob/living/carbon/Xenomorph/Praetorian, /mob/living/carbon/Xenomorph/Drone, /mob/living/carbon/Xenomorph/Warrior, /mob/living/carbon/Xenomorph/Defender, /mob/living/carbon/Xenomorph/Sentinel, /mob/living/carbon/Xenomorph/Spitter)
 
 /obj/item/storage/backpack/marine/medic
 	name = "\improper USCM corpsman backpack"
 	desc = "A standard-issue backpack worn by USCM medics."
 	icon_state = "marinepack_medic"
 	item_state = "marinepack_medic"
+	xeno_icon_state = "medicpack"
+	xeno_types = list(/mob/living/carbon/Xenomorph/Runner, /mob/living/carbon/Xenomorph/Praetorian, /mob/living/carbon/Xenomorph/Drone, /mob/living/carbon/Xenomorph/Warrior, /mob/living/carbon/Xenomorph/Defender, /mob/living/carbon/Xenomorph/Sentinel, /mob/living/carbon/Xenomorph/Spitter)
 
 /obj/item/storage/backpack/marine/tech
 	name = "\improper USCM technician backpack"
 	desc = "A standard-issue backpack worn by USCM technicians."
 	icon_state = "marinepack_techi"
 	item_state = "marinepack_techi"
+	xeno_icon_state = "marinepack"
+	xeno_types = list(/mob/living/carbon/Xenomorph/Runner, /mob/living/carbon/Xenomorph/Praetorian, /mob/living/carbon/Xenomorph/Drone, /mob/living/carbon/Xenomorph/Warrior, /mob/living/carbon/Xenomorph/Defender, /mob/living/carbon/Xenomorph/Sentinel, /mob/living/carbon/Xenomorph/Spitter)
 
 /obj/item/storage/backpack/marine/satchel/intel
 	name = "\improper USCM lightweight expedition pack"
@@ -338,6 +397,7 @@ obj/item/storage/backpack/proc/compare_id(var/mob/living/carbon/human/H)
 	worn_accessible = TRUE
 	storage_slots = null
 	max_storage_space = 15
+	xeno_types = null
 
 /obj/item/storage/backpack/marine/satchel/big //wacky squad marine loadout item, its the IO backpack.
 	name = "\improper USCM logistics IMP backpack"
@@ -347,7 +407,6 @@ obj/item/storage/backpack/proc/compare_id(var/mob/living/carbon/human/H)
 	storage_slots = null
 	max_storage_space = 21 //backpack size
 
-
 /obj/item/storage/backpack/marine/satchel/medic
 	name = "\improper USCM corpsman satchel"
 	desc = "A heavy-duty satchel used by USCM medics. It sacrifices capacity for usability. A small patch is sewn to the top flap."
@@ -490,6 +549,7 @@ GLOBAL_LIST_EMPTY_TYPED(radio_packs, /obj/item/storage/backpack/marine/satchel/r
 	desc = "A specially-designed smock with pockets for all your sniper needs."
 	icon_state = "smock"
 	worn_accessible = TRUE
+	xeno_types = null
 
 /obj/item/storage/backpack/marine/marsoc
 	name = "\improper USCM SOF IMP tactical rucksack"
@@ -497,6 +557,7 @@ GLOBAL_LIST_EMPTY_TYPED(radio_packs, /obj/item/storage/backpack/marine/satchel/r
 	desc = "With a backpack like this, you'll forget you're on a hell march designed to kill you."
 	worn_accessible = TRUE
 	has_gamemode_skin = FALSE
+	xeno_types = null
 
 /obj/item/storage/backpack/marine/rocketpack
 	name = "\improper USCM IMP M22 rocket bags"
@@ -504,6 +565,7 @@ GLOBAL_LIST_EMPTY_TYPED(radio_packs, /obj/item/storage/backpack/marine/satchel/r
 	icon_state = "rocketpack"
 	worn_accessible = TRUE
 	has_gamemode_skin = FALSE //monkeysfist101 never sprited a snowtype but included duplicate icons. Why?? Recolor and touch up sprite at a later date.
+	xeno_types = null
 
 /obj/item/storage/backpack/marine/grenadepack
 	name = "\improper USCM IMP M63A1 grenade satchel"
@@ -516,6 +578,7 @@ GLOBAL_LIST_EMPTY_TYPED(radio_packs, /obj/item/storage/backpack/marine/satchel/r
 	can_hold = list(/obj/item/explosive/grenade)
 	is_id_lockable = TRUE
 	has_gamemode_skin = FALSE
+	xeno_types = null
 
 /obj/item/storage/backpack/marine/grenadepack/attackby(obj/item/W, mob/user)
 	if(istype(W, /obj/item/storage/box/nade_box) || istype(W, /obj/item/storage/backpack/marine/grenadepack) || istype(W, /obj/item/storage/belt/grenade))
@@ -530,6 +593,7 @@ GLOBAL_LIST_EMPTY_TYPED(radio_packs, /obj/item/storage/backpack/marine/satchel/r
 	max_w_class = SIZE_HUGE
 	storage_slots = 8
 	can_hold = list(/obj/item/mortar_shell)
+	xeno_types = null
 
 /// G-8-a general pouch belt
 /obj/item/storage/backpack/general_belt
@@ -708,7 +772,7 @@ GLOBAL_LIST_EMPTY_TYPED(radio_packs, /obj/item/storage/backpack/marine/satchel/r
 	max_storage_space = 18
 	storage_slots = null
 	has_gamemode_skin = TRUE
-
+	xeno_types = null
 
 /obj/item/storage/backpack/marine/engineerpack/Initialize()
 	. = ..()
diff --git a/code/game/objects/items/storage/smartpack.dm b/code/game/objects/items/storage/smartpack.dm
index 64bc74e47758..040d078f2a37 100644
--- a/code/game/objects/items/storage/smartpack.dm
+++ b/code/game/objects/items/storage/smartpack.dm
@@ -12,6 +12,7 @@
 	max_storage_space = 14
 	worn_accessible = TRUE
 	actions_types = list(/datum/action/item_action/toggle)
+	xeno_types = null
 
 	var/show_exoskeleton = FALSE
 
diff --git a/code/game/objects/items/storage/storage.dm b/code/game/objects/items/storage/storage.dm
index f388b62852d8..4aac5c342e94 100644
--- a/code/game/objects/items/storage/storage.dm
+++ b/code/game/objects/items/storage/storage.dm
@@ -523,6 +523,16 @@ W is always an item. stop_warning prevents messaging. user may be null.**/
 
 	return attempt_item_insertion(W, FALSE, user)
 
+/obj/item/storage/equipped(mob/user, slot, silent)
+	if ((storage_flags & STORAGE_ALLOW_EMPTY))
+		if(!isXeno(user))
+			verbs |= /obj/item/storage/verb/empty_verb
+			verbs |= /obj/item/storage/verb/toggle_click_empty
+		else
+			verbs -= /obj/item/storage/verb/empty_verb
+			verbs -= /obj/item/storage/verb/toggle_click_empty
+	..()
+
 /obj/item/storage/proc/attempt_item_insertion(obj/item/W as obj, prevent_warning = FALSE, mob/user as mob)
 	if(!can_be_inserted(W))
 		return
@@ -608,6 +618,61 @@ W is always an item. stop_warning prevents messaging. user may be null.**/
 		remove_from_storage(I, T)
 	user.visible_message(SPAN_NOTICE("[user] empties \the [src]."),
 		SPAN_NOTICE("You empty \the [src]."))
+	if (use_sound)
+		playsound(loc, use_sound, 25, TRUE, 3)
+
+/obj/item/storage/verb/shake_verb()
+	set name = "Shake"
+	set category = "Object"
+	set src in usr
+	var/mob/user_mob = usr
+	shake(user_mob, get_turf(user_mob))
+
+/obj/item/storage/proc/shake(var/mob/user, var/turf/tile)
+	if(!(storage_flags & STORAGE_ALLOW_EMPTY))
+		return
+
+	if(user.l_hand != src && user.r_hand != src && user.back != src)
+		return
+
+	if(user.is_mob_incapacitated())
+		return
+
+	if (!isturf(tile) || get_dist(src, tile) > 1)
+		tile = get_turf(src)
+
+	if (use_sound)
+		playsound(loc, use_sound, 25, TRUE, 3)
+
+	if(!length(contents))
+		if(prob(25) && isXeno(user))
+			user.drop_inv_item_to_loc(src, tile)
+			user.visible_message(SPAN_NOTICE("[user] shakes \the [src] off."),
+				SPAN_NOTICE("You shake \the [src] off."))
+		else
+			user.visible_message(SPAN_NOTICE("[user] shakes \the [src] but nothing falls out."),
+				SPAN_NOTICE("You shake \the [src] but nothing falls out. It feels empty."))
+		return
+
+	if(!allowed(user))
+		user.visible_message(SPAN_NOTICE("[user] shakes \the [src] but nothing falls out."),
+			SPAN_NOTICE("You shake \the [src] but nothing falls out. Access denied."))
+		return
+
+	if(!prob(75))
+		user.visible_message(SPAN_NOTICE("[user] shakes \the [src] but nothing falls out."),
+			SPAN_NOTICE("You shake \the [src] but nothing falls out."))
+		return
+
+	storage_close(user)
+	var/obj/item/item_obj
+	if(storage_flags & STORAGE_USING_FIFO_DRAWING)
+		item_obj = contents[1]
+	else
+		item_obj = contents[contents.len]
+	remove_from_storage(item_obj, tile)
+	user.visible_message(SPAN_NOTICE("[user] shakes \the [src] and \a [item_obj] falls out."),
+		SPAN_NOTICE("You shake \the [src] and \a [item_obj] falls out."))
 
 /obj/item/storage/proc/dump_ammo_to(obj/item/ammo_magazine/ammo_dumping, mob/user, var/amount_to_dump = 5) //amount_to_dump should never actually need to be used as default value
 	if(user.action_busy)
@@ -674,6 +739,7 @@ W is always an item. stop_warning prevents messaging. user may be null.**/
 	if (!(storage_flags & STORAGE_ALLOW_EMPTY))
 		verbs -= /obj/item/storage/verb/empty_verb
 		verbs -= /obj/item/storage/verb/toggle_click_empty
+		verbs -= /obj/item/storage/verb/shake_verb
 
 	boxes = new
 	boxes.name = "storage"
diff --git a/code/modules/cm_aliens/structures/fruit.dm b/code/modules/cm_aliens/structures/fruit.dm
index c0fec23ad153..1be7326de78c 100644
--- a/code/modules/cm_aliens/structures/fruit.dm
+++ b/code/modules/cm_aliens/structures/fruit.dm
@@ -323,7 +323,8 @@
 	desc = "A strange fruit that you could eat.. if you REALLY wanted to. Its roots seem to twitch every so often."
 	icon = 'icons/mob/xenos/fruits.dmi'
 	icon_state = "fruit_lesser_item"
-	w_class = SIZE_LARGE
+	w_class = SIZE_MEDIUM
+	storage_cost = SIZE_LARGE
 	bitesize = 2
 	var/mob/living/carbon/Xenomorph/bound_xeno //Drone linked to this fruit
 	var/fruit_type = /obj/effect/alien/resin/fruit
diff --git a/code/modules/cm_marines/Donor_Items.dm b/code/modules/cm_marines/Donor_Items.dm
index db9be2a089bf..5df3537dc0cc 100644
--- a/code/modules/cm_marines/Donor_Items.dm
+++ b/code/modules/cm_marines/Donor_Items.dm
@@ -1309,6 +1309,8 @@
 	desc = "Black gloves, favored by Special Operations teams.  DONOR ITEM"
 	name = "Black Ops Black Gloves"
 
+/obj/item/storage/backpack/marine/fluff
+	xeno_types = null
 
 /obj/item/storage/backpack/marine/fluff/Sado
 	name = "Tanya's Backpack"
diff --git a/code/modules/mob/inventory.dm b/code/modules/mob/inventory.dm
index 900aca69b070..7308c6ce1341 100644
--- a/code/modules/mob/inventory.dm
+++ b/code/modules/mob/inventory.dm
@@ -60,7 +60,7 @@
 	if(hand)	return put_in_r_hand(W)
 	else		return put_in_l_hand(W)
 
-//Puts the item our active hand if possible. Failing that it tries our inactive hand. Returns 1 on success.
+//Puts the item into our active hand if possible. Failing that it tries our inactive hand. Returns 1 on success.
 //If both fail it drops it on the floor and returns 0.
 //This is probably the main one you need to know :)
 /mob/proc/put_in_hands(var/obj/item/W)
@@ -76,7 +76,24 @@
 		W.dropped(src)
 		return FALSE
 
-
+//Puts the item into our back if possible. Returns 1 on success.
+/mob/proc/put_in_back(var/obj/item/item)
+	if(!item)
+		return FALSE
+	if(!istype(item))
+		return FALSE
+	if(back)
+		return FALSE
+	if(item.loc == src && !(item.flags_item & DELONDROP))
+		item.dropped(src)
+	item.pickup(src)
+	item.forceMove(src)
+	back = item
+	item.layer = ABOVE_HUD_LAYER
+	item.plane = ABOVE_HUD_PLANE
+	item.equipped(src, WEAR_BACK)
+	update_inv_back()
+	return TRUE
 
 /mob/proc/drop_item_v()		//this is dumb.
 	if(stat == CONSCIOUS && isturf(loc))
@@ -366,3 +383,5 @@
 		return WEAR_L_HAND
 	if(I == r_hand)
 		return WEAR_R_HAND
+	if(I == back)
+		return WEAR_BACK
diff --git a/code/modules/mob/living/carbon/xenomorph/XenoAttacks.dm b/code/modules/mob/living/carbon/xenomorph/XenoAttacks.dm
index 40fc79ec4ee3..9c64fd843df1 100644
--- a/code/modules/mob/living/carbon/xenomorph/XenoAttacks.dm
+++ b/code/modules/mob/living/carbon/xenomorph/XenoAttacks.dm
@@ -27,6 +27,27 @@
 	switch(M.a_intent)
 
 		if(INTENT_HELP)
+			if(back && Adjacent(M))
+				back.add_fingerprint(M)
+				var/obj/item/storage/backpack = back
+				if(backpack && !M.action_busy)
+					if(stat != DEAD) // If the Xeno is alive, fight back
+						if(!M.ally_of_hivenumber(hivenumber))
+							M.KnockDown(rand(caste.tacklestrength_min, caste.tacklestrength_max))
+							playsound(M.loc, 'sound/weapons/pierce.ogg', 25, TRUE)
+							M.visible_message(SPAN_WARNING("\The [M] tried to open \the [backpack] on [src] but instead gets a tail swipe to the head!"))
+							return FALSE
+
+					M.visible_message(SPAN_NOTICE("\The [M] starts opening \the [backpack] on [src]"), \
+					SPAN_NOTICE("You begin to open \the [backpack] on [src], so you can check its contents."), null, 5, CHAT_TYPE_FLUFF_ACTION)
+					if(!do_after(M, 1 SECONDS, INTERRUPT_NO_NEEDHAND, BUSY_ICON_GENERIC, src, INTERRUPT_MOVED, BUSY_ICON_GENERIC)) //Timed opening.
+						to_chat(M, SPAN_WARNING("You were interrupted!"))
+						return FALSE
+					if(!Adjacent(M))
+						to_chat(M, SPAN_WARNING("You were interrupted!"))
+						return FALSE
+					backpack.open(M)
+					return
 			if(stat == DEAD)
 				M.visible_message(SPAN_WARNING("\The [M] pokes \the [src], but nothing happens."), \
 				SPAN_WARNING("You poke \the [src], but nothing happens."), null, 5, CHAT_TYPE_FLUFF_ACTION)
diff --git a/code/modules/mob/living/carbon/xenomorph/Xenomorph.dm b/code/modules/mob/living/carbon/xenomorph/Xenomorph.dm
index efec85009651..330c1c504939 100644
--- a/code/modules/mob/living/carbon/xenomorph/Xenomorph.dm
+++ b/code/modules/mob/living/carbon/xenomorph/Xenomorph.dm
@@ -332,6 +332,7 @@
 	var/list/overlays_standing[X_TOTAL_LAYERS]
 
 	var/atom/movable/vis_obj/xeno_wounds/wound_icon_carrier
+	var/atom/movable/vis_obj/xeno_pack/backpack_icon_carrier
 
 /mob/living/carbon/Xenomorph/Initialize(mapload, mob/living/carbon/Xenomorph/oldXeno, h_number)
 	var/area/A = get_area(src)
@@ -697,6 +698,9 @@
 
 	vis_contents -= wound_icon_carrier
 	QDEL_NULL(wound_icon_carrier)
+	if(backpack_icon_carrier)
+		vis_contents -= backpack_icon_carrier
+		QDEL_NULL(backpack_icon_carrier)
 
 	QDEL_NULL(iff_tag)
 
diff --git a/code/modules/mob/living/carbon/xenomorph/castes/Defender.dm b/code/modules/mob/living/carbon/xenomorph/castes/Defender.dm
index 3719330d3e4a..a24e83a3b36f 100644
--- a/code/modules/mob/living/carbon/xenomorph/castes/Defender.dm
+++ b/code/modules/mob/living/carbon/xenomorph/castes/Defender.dm
@@ -63,6 +63,13 @@
 	if(crest_defense)
 		return "Defender_crest_[severity]"
 
+/mob/living/carbon/Xenomorph/Defender/handle_special_backpack_states()
+	. = ..()
+	if(fortify)
+		return " Fortify"
+	if(crest_defense)
+		return " Crest"
+
 /datum/behavior_delegate/defender_base
 	name = "Base Defender Behavior Delegate"
 
diff --git a/code/modules/mob/living/carbon/xenomorph/update_icons.dm b/code/modules/mob/living/carbon/xenomorph/update_icons.dm
index ad7874b9f1f8..cfab5e191332 100644
--- a/code/modules/mob/living/carbon/xenomorph/update_icons.dm
+++ b/code/modules/mob/living/carbon/xenomorph/update_icons.dm
@@ -2,15 +2,17 @@
 //Abby
 
 //Xeno Overlays Indexes//////////
-#define X_HEAD_LAYER			8
-#define X_SUIT_LAYER			7
-#define X_L_HAND_LAYER			6
-#define X_R_HAND_LAYER			5
+#define X_BACK_LAYER			10
+#define X_HEAD_LAYER			9
+#define X_SUIT_LAYER			8
+#define X_L_HAND_LAYER			7
+#define X_R_HAND_LAYER			6
+#define X_BACK_FRONT_LAYER		5
 #define X_RESOURCE_LAYER		4
 #define X_TARGETED_LAYER		3
 #define X_LEGCUFF_LAYER			2
 #define X_FIRE_LAYER			1
-#define X_TOTAL_LAYERS			8
+#define X_TOTAL_LAYERS			10
 /////////////////////////////////
 
 
@@ -45,8 +47,10 @@
 	if(!caste)
 		return
 
-	update_fire() //the fire overlay depends on the xeno's stance, so we must update it.
+	//These also depend on the xeno's stance, so we must update them
+	update_fire()
 	update_wounds()
+	update_inv_back()
 
 	if(behavior_delegate?.on_update_icons())
 		return
@@ -74,10 +78,10 @@
 	..()
 	update_inv_r_hand()
 	update_inv_l_hand()
+	update_inv_back()
 	update_inv_resource()
 	update_icons()
 
-
 /mob/living/carbon/Xenomorph/update_inv_pockets()
 	var/datum/custom_hud/alien/ui_datum = GLOB.custom_huds_list[HUD_ALIEN]
 	if(l_store)
@@ -115,6 +119,32 @@
 		overlays_standing[X_L_HAND_LAYER] = l_hand.get_mob_overlay(src, WEAR_L_HAND)
 		apply_overlay(X_L_HAND_LAYER)
 
+/mob/living/carbon/Xenomorph/update_inv_back()
+	if(!backpack_icon_carrier)
+		return // Xenos will only have a vis_obj if they've been equipped with a pack before
+
+	var/obj/item/storage/backpack/backpack = back
+	if(!backpack?.xeno_icon_state)
+		backpack_icon_carrier.icon_state = "none"
+		return
+
+	var/state_modifier = ""
+	if(stat == DEAD)
+		state_modifier = " Dead"
+	else if(lying)
+		if((resting || sleeping) && (!knocked_down && !knocked_out && health > 0))
+			state_modifier = " Sleeping"
+		else
+			state_modifier = " Knocked Down"
+	else if(handle_special_state())
+		state_modifier = handle_special_backpack_states()
+
+	backpack_icon_carrier.icon_state = backpack.xeno_icon_state + state_modifier
+
+	backpack_icon_carrier.layer = -X_BACK_LAYER
+	if(dir == NORTH && (back.flags_item & ITEM_OVERRIDE_NORTHFACE))
+		backpack_icon_carrier.layer = -X_BACK_FRONT_LAYER
+
 /mob/living/carbon/Xenomorph/proc/update_inv_resource()
 	remove_overlay(X_RESOURCE_LAYER)
 	if(crystal_stored)
@@ -220,6 +250,9 @@
 /mob/living/carbon/Xenomorph/proc/handle_special_wound_states()
 	return FALSE
 
+/mob/living/carbon/Xenomorph/proc/handle_special_backpack_states()
+	return ""
+
 // Shamelessly inspired from the equivalent proc on TGCM
 /mob/living/carbon/Xenomorph/proc/update_wounds()
 	if(!wound_icon_carrier)
@@ -242,30 +275,22 @@
 			wound_icon_carrier.icon_state = handle_special_wound_states(health_threshold)
 
 
-///Used to display the xeno wounds without rapidly switching overlays
+///Used to display the xeno wounds/backpacks without rapidly switching overlays
+/atom/movable/vis_obj
+	vis_flags = VIS_INHERIT_ID|VIS_INHERIT_DIR
+	appearance_flags = RESET_COLOR
+
 /atom/movable/vis_obj/xeno_wounds
 	icon = 'icons/mob/xenos/wounds.dmi'
-	var/mob/living/carbon/Xenomorph/wound_owner
-	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
-
 
-/atom/movable/vis_obj/xeno_wounds/Initialize(mapload, mob/living/carbon/Xenomorph/owner)
+/atom/movable/vis_obj/xeno_pack/Initialize(mapload, mob/living/carbon/source)
 	. = ..()
-	if(owner)
-		wound_owner = owner
-		RegisterSignal(owner, COMSIG_ATOM_DIR_CHANGE, .proc/on_dir_change)
-
-/atom/movable/vis_obj/xeno_wounds/Destroy()
-	if(wound_owner)
-		UnregisterSignal(wound_owner, COMSIG_ATOM_DIR_CHANGE)
-		wound_owner = null
-	return ..()
-
-/atom/movable/vis_obj/xeno_wounds/proc/on_dir_change(mob/living/carbon/Xenomorph/source, olddir, newdir)
-	SIGNAL_HANDLER
-	dir = newdir
+	if(source)
+		icon = default_xeno_onmob_icons[source.type]
 
 //Xeno Overlays Indexes//////////
+#undef X_BACK_LAYER
+#undef X_BACK_FRONT_LAYER
 #undef X_HEAD_LAYER
 #undef X_SUIT_LAYER
 #undef X_L_HAND_LAYER
diff --git a/icons/mob/xenos/onmob/defender.dmi b/icons/mob/xenos/onmob/defender.dmi
new file mode 100644
index 000000000000..07098360c47e
Binary files /dev/null and b/icons/mob/xenos/onmob/defender.dmi differ
diff --git a/icons/mob/xenos/onmob/drone.dmi b/icons/mob/xenos/onmob/drone.dmi
new file mode 100644
index 000000000000..8118dd4ac3b7
Binary files /dev/null and b/icons/mob/xenos/onmob/drone.dmi differ
diff --git a/icons/mob/xenos/onmob/praetorian.dmi b/icons/mob/xenos/onmob/praetorian.dmi
new file mode 100644
index 000000000000..1109020c0099
Binary files /dev/null and b/icons/mob/xenos/onmob/praetorian.dmi differ
diff --git a/icons/mob/xenos/onmob/runner.dmi b/icons/mob/xenos/onmob/runner.dmi
new file mode 100644
index 000000000000..7ec0a18bad93
Binary files /dev/null and b/icons/mob/xenos/onmob/runner.dmi differ
diff --git a/icons/mob/xenos/onmob/sentinel.dmi b/icons/mob/xenos/onmob/sentinel.dmi
new file mode 100644
index 000000000000..41ce51f19fd6
Binary files /dev/null and b/icons/mob/xenos/onmob/sentinel.dmi differ
diff --git a/icons/mob/xenos/onmob/spitter.dmi b/icons/mob/xenos/onmob/spitter.dmi
new file mode 100644
index 000000000000..6e96385d5d60
Binary files /dev/null and b/icons/mob/xenos/onmob/spitter.dmi differ
diff --git a/icons/mob/xenos/onmob/warrior.dmi b/icons/mob/xenos/onmob/warrior.dmi
new file mode 100644
index 000000000000..4351ad78339e
Binary files /dev/null and b/icons/mob/xenos/onmob/warrior.dmi differ