Got the character sheet worked out, let me know if it needs any tweaking.

[b]Basics[/b]
Name: (Full name followed by the name given to them by the media, ie. John Doe aka The Serial Killer)
Nickname(s): (What friends call them/preferred names)
Age: (can be anything between 18 and 60)
Gender: (Male, female, trans*, whatever you decide)
Appearance: (Physical description and your character's typical style of dress)
Bio: (Can be revealed IC. Can be as long or as short as you like)

[b]Personality[/b]
Personality: (How does your character treat and feel about others and what are they secretly like deep down inside?)
Interests: (Does your character like video games? Movies? Computers?)
Skills: (Does your character play an instrument? Do magic tricks? Juggle?)

Victims: (What does your character look for in a victim? Hair colour? Tattoos? Certain genders or ethnicities?)
Methods: (Optional. Your character's M.O. ie. Stabbing, shooting, strangling)
Calling Card: (Optional. What does your character always leave at the scene to allude to his/her identity?)