Slickis is the father of Ickis and a famous scarer.
Slickis has a maroon body like Ickis. He is slightly taller and more heavyset than his son. Slickis' eyes are white with black pupils. He has two feet, two arms, and many white teeth. Slickis has two long rabbit-like ears which are torn in several places. His feet have a slighty different shape than Ickis'.
Slickis has appeared in only five episodes of Aaahh!!! Real Monsters: The Great Wave, Chip off the Old Beast, History of the Monster World, Amulet Of Enfarg, and The Five Faces of Ickis. He is mentioned in many other episodes such as Rookie Monsters and Into The Woods.