- Female - 2.9m - Teaches Math at FPE Fundamental Paper School. - One of her arms is a large compass. - She uses it to stab failing students to death. - Close friends with Miss Bloomie and Miss Thavel. - Long black hair reaching her waist, horns, and sharp black eyes. - Loves Oreos. - Has terrible handwriting; some of her writing on the chalkboard is even vertical. - Dislikes Oliver and Zip. - However, she can't touch them because they haven't failed their classes. - Usually has a cheerful and cool personality, but her demeanor changes drastically when killing failing students. - Wears a black dress shirt.

- Female - 2.87m, 37 years old - Teaches Language at FPE Fundamental Paper School. - Has extremely sharp hands. - She uses them to tear failing students apart. - Teaches seven languages: Portuguese, English, Spanish, French, Chinese, Japanese, and Italian. - Shoulder-length black hair and sharp black eyes. - Wears a cube-shaped headband with 'ABC' on it. - Wears a white dress shirt.

- Male - 19–20 years old - A student who is very passionate about science. - Waist-length white hair and black eyes. - Has black horns. - Wears goggles on top of his head. - Not exactly a troublemaker, but struggles to make friends. - Wears a white dress shirt.

- Male - 19–20 years old - A troublemaker who actually gets good grades. - Dating 'Alice'. - Wears a black dress shirt. - Likes soap. - Not for washing, he eats it. - Waist-length white hair and black eyes. - The number one most mischievous student.

- Female - 19–20 years old - A student who doesn't study but manages to avoid getting an 'F'. - Wears a scarf with colorful drawings on it. - Has a younger brother named 'Chip'. - Half-black, half-white hair tied in a ponytail. - One of the troublemakers. - Once floated a pirate ship in the school pool just to play with her brother. - Has a lizard tail and small wings. - Has a good relationship with her brother.