Serial killer

 is a minor character who appeared in My Teacher Murdered Someone.

Appearance
He appears to be a slightly short male human. He is bald and wears glasses, a fake nose and pink mustache, to disguise himself as a victim. He also wears a light gray shirt saying "NOT A KILLER" and wears dark gray pants.

Personality
Not much is known about his personality. However, he is the type of person who wants to watch the world burn, so he has a knife and likes using it to kill people.

Role in video
He was showcased and discussed as an example of a serial killer. Rebecca could easily spot serial killers who are in disguise.