Jake 2 is Cinnamon Bun's Fire Wolf who first appears in the episode "Earth & Water." Although it first appears as a puppy, by "The Red Throne," Jake 2 has grown several times its original size. It shows a great affection towards Cinnamon Bun and is loyal to the point of following him into battle.
Jake 2 has been taught how to fly by Cinnamon Bun. Jake 2 is the only member of its species that has been seen with this ability.
It also has great strength as it can quickly break through walls in the Fire Kingdom.
Jake 2 can also control the intensity of heat from its body as Finn could comfortably ride on its back.