Cavey is a human with dirty blonde long hair, a goatee, and hairy arms. His skin is dirty and he wears a necklace with what appears to be bones. Cavey also wears various animal pelts mixed together to form his clothing.
Cavey appears in the episode "Ugh." He was found by Patchy in a block of ice and was unfrozen by him with his mother's hairdryer. Cavey's only real words are said in the song "When Worlds Collide."