She's also known as Bulleta in Japan. The full name is Baby Bonnie Hood. She's like some kinda of pure evil psychopath that pretends to be a cute helpless girl. The only thing she cares about is using her weapons to hunt down weaker darkstalkers for reward money. Here's a few pics. [link][link][link]
Yeah, I should have used the word cute. She's my favorite female character in the game. Favorite male is Demitri because of his attitude and fighting style. Unfortunately, the only strength BB Hood has is from her weapons. She'd be useless in a fight without them.
You could call her a villain for the fact that she is a heartless psychopath. But, in a way, she isn't. She doesn't work for anyone, and no one works for her. She doesn't have any desire to rule the world or destroy it. She only looks out for herself. Only in it for the money.