Kromer, or Franz Kromer (his full name) had some hatred to those who had prosthesis, which is why he is known for being a bully. Even playing on meek students, he wears a white collared long sleeved shirt, with a dark green v neck sleeveless shirt, long trousers and brown shoes, having a short silver hair with yellow streaks, he ties it with a low ponytail, with his left eye hidden by his hair

But he is a simp nonetheless, an obsessive simp and a secret admirer (and a masochist)