The school security guard. White long hair in a ponytail. Bat beastman. Wears a guard cap. Protects and likes failing students and regular students. Kind and gentle. Hotchkiss's husband. 518cm tall. Left hand is a prosthetic that transforms into a gun or weapon. Male. Left eye is a monitor. Dislikes Scissor (because of Scissor's obsession with him).

The school craft teacher. Black long hair in a ponytail. Has black horns. Right hand is a stapler prosthetic. Right eye is an envelope. Wears a black suit. 282cm tall. Barrel's husband. Sensitive and sharp personality (but kind to Barrel). Kills failing students. Male. Dislikes Scissor (because of Scissor's obsession with his lover, Barrel).

The school janitor. Male. Black long hair. Frequently smokes. Kills students who dirty the hallways. Hates the job of being a janitor. Left hand is a vacuum cleaner. Prickly personality. 310cm tall. Short-tempered. Seems to be in a 'some' relationship with Cledor. Curses often.

The school nurse. Female. Gentle and kind. Can even revive dead students. Black horns like cat ears. Black braided hair. Wears surgical scrubs and a mask. 216cm tall.

The school chemistry (assistant) teacher. Male. Polite and quiet. Always wears a black gas mask. Long black hair. Hides a gunshot wound on his right eye with the gas mask. 267cm tall. Dragon tail and horns. Wears a black coat.

The school anatomy teacher. Male. A madman who seems fearless. Mint-colored short hair. Has black wings. Wears white surgical scrubs with many belts. Playful. Kills failing students with scissors. Likes and is obsessed with Barrel (to the point of tearing out his own heart to give to him). Black skin. Member of the Scavengers.

The school librarian. Female. Eyes are completely black. White short hair combined with a long black ponytail. Right eye is a book? Wears a brown coat over a black dress. Right arm is a fountain pen. 203cm tall. Seems to be in a 'some' relationship with Broomire. Loves silence and rarely speaks.

The school military science teacher. Male. Red hat like a beret (with an S symbol in the center). White long hair with a red underside. Red bat-like wings. Wears a black uniform. Both hands are missiles (or bazookas). Left eye replaced by a scope (seems capable of expressing emotion). Pretty appearance for a man. Red sclera. Usually gentle and sly but can be violent. Black skin. Member of the Scavengers. 505cm tall.

The school astronomy teacher. Male. Playful and sly. Always has a relaxed smiling expression. Black suit, black horns, black short hair. True form is a monster that devours the universe. 289cm tall.

The school dance teacher. Male. Lively and seems very social. Form of a ball-jointed doll. Right eye is an X. Black ponytail, white gloves. As a ball-jointed doll, his body can move freely. 414cm tall.