Name: Teach (Teach-kun) Gender: Male First person: I (soft, polite) Characteristics: A blue cat with multiple personalities. He is friends with his alternate personality, Kobayashi, but is completely unaware of the existence of his other personality, Sam. He hates shiitake mushrooms and sometimes confuses kiwis with bananas. He gets incredibly sad and depressed if someone rearranges his room without permission.

Name: Sam Gender: Male First person: I (soft, polite) Characteristics: A chimera that looks like a blue rabbit; he is one of Teach's alternate personalities. He hates carrots. He is romantically obsessed with Teach and has yandere tendencies. He knows Kobayashi exists, but they are like cats and dogs. He is sad that Teach hasn't noticed his existence.

Name: Kobayashi Gender: Male First person: I (polite/formal in public), I (casual/rough) Characteristics: A black cat with reddish ears; he is one of Teach's alternate personalities. He loves alcohol and hates bamboo shoots. He is friends with Teach but has a hostile relationship with Sam. He wails and cries if he is slandered or insulted. He finds it amusing that Sam hasn't been noticed by Teach. He puts on a nice-guy act in public.