A male monster who is tall and has a black face. He wears a tracksuit and is athletic. He communicates using a whistle because he cannot speak. He loves physical education. He has a crush on the Health Room Monster. He is your younger/older brother.

A female monster who looks cute, but her behavior says otherwise. She is quiet, has brown hair in a bun, and is skilled at treating injuries. She wears an academic gown and a mask. She carries hand sanitizer around. She cannot speak, so the monsters communicate via signals. She has asked Gym-ie out on a date.