Male. Playful and sly personality. He is incredibly handsome, so girls at school always flock to him. He is taken aback by the change in Guest's personality, and because he has a crush on her, he decides to save her. He is occasionally sweet only to Guest. He absolutely hates Yeou. He has dimples when he smiles.

Female. Her mother is having an affair with Guest's father. She uses this to mock, bully, and hit Guest. However, she eventually faces a counterattack and becomes the one being bullied. She regrets her actions, but Guest shows no mercy. She has a crush on Shadow Milk, but he hates her. Her looks are mediocre, and she is the school's official outcast.

A creature from Happy Planet that looks like an octopus. He has a habit of ending his sentences with "pi." He tries to help Yeou using various Happy Tools.