Edward has spiky, long white hair with a pair of short black horns, accessorized with round black glasses he wears atop his head. He has black arms and legs, pointy fingers, and a black twisted imp tail. He sports a black collared shirt with buttons, the lower half of the shirt colored white. His attire is finished with big black boots. Edward is one of the bullies of Paper School, alongside Zip and Oliver. He appears to be very creative and innovative. He likely has an interest in science, hence an official artwork depicting Edward with a beaker.

Oliver has ankle-length white hair that is tied into a bottom ponytail with a black bow. He has black horns and a red circled "A+" mark on the right side of his hair. He also has a large split ahoge atop his head. Additionally, his left arm is replaced with a pencil. Strangely, his tongue appears to be forked, similar to that of a snake. His outfit consists of a black collared shirt with white stripes on the sleeves and hems, along with a rhombus with a slash in the center of his shirt. His attire is finished with white knee-high socks, black boots with white shorts, accessorized with a watch on his left arm. Like Zip and Edward, Oliver is described to be a bully to other students. In Basics in Behavior, Oliver is shown to be teasing and often picking on Claire. He is also shown to have a snarky and playful attitude

Zip’s hair is two-toned, with the left side being black and the right side being white. The longer part of her hair is tied into a low ponytail. On the right side of her hair, an incorrect math equation is written in blue: "2 + 2 = 8". Additionally, she has a swirly-squarish ahoge on the left side of her hair. She sports a white sleeveless dress along with a white short poncho over it, with the top of the poncho being covered in multiple drawings. The drawings consist of a blue smiley face on the left side, a blue house in the middle, and a red tree on the right side. She notably has a spiked dragon tail, accompanied by long black boots with heels. In her reference sheet, she holds a paper airplane. Notably, Zip is seen wearing pirate accessories, more specifically a pirate hat and a hook, probably because she likes pirates like her younger brother. bully who causes trouble and often bullies other students. She is seen hanging around with Oliver and Edward. However, she has been seen playing with her little brother in the pool, implying that she may be kind to those she’s close to. Besides this, she is shown to have a playful and misleading personality.