• Unofficial Last Name: Ravenclaw (because of her arm)
• Demon Side: The black "demon skin" is very soft and smooth and covers where nipples would be basically making visibly nonexistent (she can shapeshift her dark parts though so it is reasonable to assume that she could form them for whatever reason), brute strength in demon arm.
• Other: She is very quiet and despite being quite intelligent, she has a hard time speaking and in the off-chance that she does, she prefers using words like "do not" instead of "don't".

She just appeared one day. Named herself and everything. The first experience with her, she attacked someone because she wanted something from them (I'm not going into detail), but they resisted then Luna restrained her and they spent quite a while straightening things out and sort of training Kel to shut out her demon side which made her a much nicer person. Her and Luna now reground each other when one of them goes a little psycho.
...She also decided that shirts aren't required since she doesn't have nipples and the spines on her shoulder would just shred them.