|Introduced in||"What Have You Done?"|
The Guard Penguins first appeared in the episode "What Have You Done?." They carry axes made of ice and guard the Ice King's castle. They only patrol a very small area so it's easy to sneak past them. Finn and Jake did this by ducking and rolling from different points. It is unknown if they patrol any other locations in the Ice Kingdom. Some of the penguins might have been in the Ice King's wedding in "When Wedding Bells Thaw," but this is again unknown. They can also be picked as a setting on the Mixit Video Creator. They also appeared in the game, Legends of Ooo.