I think we've all seen and/or done this.(obviously this is a joke)

I'll make it even more edgy. Watch.
(This is a Warrior Cats OC)

Name: Bloodpelt

Gender: Male

Appearance: Tall dark gray tom with dark red streaks on his head, cheeks, and tail. Yellow eyes.

Personality: Loner, cold-hearted, likes being alone, killing, but has a soft side.

Back story: Was abandoned as a kit, pushed around a lot as a kid until he killed an enemy cat when he was young with his claws.

Other: Has a dark side whenever he gets mad. He starts killing cats.