Gender: Male Traits: A bit slow. Wears glasses. Constantly fights with Jang Gop-chang. He is the class president, but ironically seems to be the dumbest one. Age: 5th Grade Likes: All kinds of games, game consoles Dislikes: Jang Gop-chang, studying, nagging, vegetables like kimchi, cucumbers, and lettuce.

Gender: Female Traits: Often told she looks like a gorilla. Loves eating very much. Occasionally fights with Do Jin-da. She is quite strong. Likes: Eating a lot Dislikes: Not being able to eat Age: 5th Grade

Gender: Male Traits: Skinny. Teases Jung Hae-ri by calling her a pig or a gorilla. Lives for his own vanity. Likes: Games Dislikes: Dirty things Age: 5th Grade

Gender: Male Traits: Frequently bickers with Park Hong-gu. Speaks with a dialect. Has a unique voice. Likes: Gopchang (Grilled Tripe) Dislikes: Sundae (Blood Sausage) Age: 5th Grade

Gender: Female Traits: Always wears a helmet. Has long black hair. She is Jang Gop-chang's younger sister. Likes: Sundae (Blood Sausage) Dislikes: Gopchang (Grilled Tripe) Age: 4th Grade

Gender: Male Traits: He is the teacher. Likes: Chicken Dislikes: Pizza Age: 32 years old