Straight jackets.. I feel like this sort of outfit would just get in the way.
Beyond Birthday was the second child taken in at Wammy's House, in an attempt to create a successor for L, and the serial killer behind the Los Angeles: BB Murder Case. Description from zerochan.net. I searched for this on bing.com/images
Corpse Party, Sachiko Shinozaki She is a little creepy... but I like her, she is cute C:
ADOPTED Carter is a demon. He is very devious and sneaky, he can do anything in command
Looks too much like Len not to pin it here. XD Maybe it is him, I don't know. :P