AAAHH!!! Real Monsters

The episodes follow the adventures of Ickis, Oblina, and Krumm, three young monsters attending a monster school whose headmaster is The Gromble. Ickis is a small red monster who, due to his large ears, is often confused with a rabbit. He is the son of Slickis, who was the academy's most renowned student and the Gromble's favorite. Oblina comes from a wealthy monster family, and is considered by the Gromble to be his best student. She is shaped like a black and white, upside down candy cane. One of her favorite methods of scaring humans is reaching within herself and pulling out her internal organs, and she has considerable talent for shapeshifting into various terrifying forms. She also has a talent for inducing nightmares in humans, by sticking her finger in their ear and tickling their brains while they sleep. The third monster is named Krumm . Like the rest of his family, his eyeballs are not attached to his body, and are usually seen carried in his hands; if he requires the use of both hands, he can carry them in his mouth. His most valuable tool in scaring is his overwhelming armpit stench as well as using his eyeballs.

The Gromble is a tall, green-gray monster with two tufts of head hair, a beard, a tail, and wears a belt around his waist and a red pump on each of his four feet. Along with Ickis, he is one of the few monsters who can hear the Pool of Elders — the source of monster existence that is made of the very substance of fears. His assistant, Zimbo is a monster who resembles a bee with one mammalian leg and a humanoid face with green hair.

The monsters frequently face Simon the Monster Hunter , a human who is determined to prove that monsters exist. He wears a thick-collared jacket and glasses.