Pea: 9 years old, fourth grade student at MP Primary School, loves pranks and has no hair. He is a classmate of Xiaoya, Potato and Onion. He likes Jay Chou, but his singing voice is the same as a donkey's bray.

Lao Dou: real name Li Dou, Pea's father, bald, love to beat Pea.

Xiaoya: 9 years old, fourth-grade student at MP Primary School, peas at the same table, claiming to be diabetic (but never saw her take insulin), likes to take it out on peas, she has three kinds of wigs, and the author later revealed that it is a male

Stinky Pig: Since the third episode, it is a pet pig of peas, and peas often call it "stinky pig", its image has changed. "It's image has changed, and it's simply "getting fatter and fatter". His great-great-great-great-great-great-great-grandfather was Porky Pig, and he loved Jay Chou as much as Peas did.

Teacher Zhang: Peas' homeroom teacher, a math teacher who is often infuriated by Peas, is also a Jay Chou fan.