diff --git a/sopel/coretasks.py b/sopel/coretasks.py
index 621e8fb65f..bbdd243ec0 100644
--- a/sopel/coretasks.py
+++ b/sopel/coretasks.py
@@ -38,7 +38,9 @@
 
 LOGGER = logging.getLogger(__name__)
 
-CORE_QUERYTYPE = '999'
+WHOX_QUERY = '%nuachrtf'
+"""List of WHOX flags coretasks requests."""
+WHOX_QUERYTYPE = '999'
 """WHOX querytype to indicate requests/responses from coretasks.
 
 Other plugins should use a different querytype.
@@ -783,12 +785,12 @@ def _remove_from_channel(bot, nick, channel):
 def _send_who(bot, channel):
     if 'WHOX' in bot.isupport:
         # WHOX syntax, see http://faerion.sourceforge.net/doc/irc/whox.var
-        # Needed for accounts in WHO replies. The `CORE_QUERYTYPE` parameter
+        # Needed for accounts in WHO replies. The `WHOX_QUERYTYPE` parameter
         # for WHO is used to identify the reply from the server and confirm
         # that it has the requested format. WHO replies with different
         # querytypes in the response were initiated elsewhere and will be
         # ignored.
-        bot.write(['WHO', channel, 'a%nuachtf,' + CORE_QUERYTYPE])
+        bot.write(['WHO', channel, ','.join(WHOX_QUERY, WHOX_QUERYTYPE)])
     else:
         # We might be on an old network, but we still care about keeping our
         # user list updated
@@ -1391,21 +1393,21 @@ def account_notify(bot, trigger):
 @plugin.priority('medium')
 def recv_whox(bot, trigger):
     """Track ``WHO`` responses when ``WHOX`` is enabled."""
-    if len(trigger.args) < 2 or trigger.args[1] != CORE_QUERYTYPE:
+    if len(trigger.args) < 2 or trigger.args[1] != WHOX_QUERYTYPE:
         # Ignored, some plugin probably called WHO
         LOGGER.debug("Ignoring WHO reply for channel '%s'; not queried by coretasks", trigger.args[1])
         return
-    if len(trigger.args) != 8:
+    if len(trigger.args) != len(WHOX_QUERY):
         LOGGER.warning(
             "While populating `bot.accounts` a WHO response was malformed.")
         return
-    _, _, channel, user, host, nick, status, account = trigger.args
+    _, _, channel, user, host, nick, status, account, realname = trigger.args
     away = 'G' in status
     modes = ''.join([c for c in status if c in '~&@%+!'])
-    _record_who(bot, channel, user, host, nick, account, away, modes)
+    _record_who(bot, channel, user, host, nick, realname, account, away, modes)
 
 
-def _record_who(bot, channel, user, host, nick, account=None, away=None, modes=None):
+def _record_who(bot, channel, user, host, nick, realname=None, account=None, away=None, modes=None):
     nick = bot.make_identifier(nick)
     channel = bot.make_identifier(channel)
     if nick not in bot.users:
@@ -1418,6 +1420,8 @@ def _record_who(bot, channel, user, host, nick, account=None, away=None, modes=N
             usr.host = host
         if usr.user is None and user:
             usr.user = user
+    if realname:
+        usr.realname = realname
     if account == '0':
         usr.account = None
     else:
@@ -1452,9 +1456,10 @@ def _record_who(bot, channel, user, host, nick, account=None, away=None, modes=N
 def recv_who(bot, trigger):
     """Track ``WHO`` responses when ``WHOX`` is not enabled."""
     channel, user, host, _, nick, status = trigger.args[1:7]
+    realname = trigger.args[-1].partition(' ')[-1]
     away = 'G' in status
     modes = ''.join([c for c in status if c in '~&@%+!'])
-    _record_who(bot, channel, user, host, nick, away=away, modes=modes)
+    _record_who(bot, channel, user, host, nick, realname, away=away, modes=modes)
 
 
 @plugin.event('AWAY')
diff --git a/sopel/tools/target.py b/sopel/tools/target.py
index cb8209112b..15ef8bf0bf 100644
--- a/sopel/tools/target.py
+++ b/sopel/tools/target.py
@@ -23,7 +23,7 @@ class User:
     :param str host: the user's hostname ("host.name" in `user@host.name`)
     """
     __slots__ = (
-        'nick', 'user', 'host', 'channels', 'account', 'away',
+        'nick', 'user', 'host', 'realname', 'channels', 'account', 'away',
     )
 
     def __init__(
@@ -39,6 +39,11 @@ def __init__(
         """The user's local username."""
         self.host = host
         """The user's hostname."""
+        self.realname = None
+        """The user's realname.
+
+        Will be ``None`` if not received from the server yet.
+        """
         self.channels: Dict[identifiers.Identifier, 'Channel'] = {}
         """The channels the user is in.