Killer is a skeleton who's in a gun shooting game called Arsenal. He has joined Nightmare's group called "The Bad Sanses", he's the youngest of the group but the first ever recruit that joined. He's a very flirty, teasing, and skeleton. But in combat, he's very skilled and trigger happy. His level in the game is at level 25. His main gun is usually a M16A1 automatic rifle, whenever not in randomiser mode. He also uses a dagger as his melee.