insane characters?

Question:

What are some good names for evil/insane characters?

They could be realistic names with meanings or it could be a made up name that you wouldn't commonly hear?
Please try to give girl names. but guy names are ok.

Best Answer - Chosen by Asker:

Here are some girl I've known to be insane:

Cristine
Betsy
Audry

But seriousley

Velusia
Sileas
Talon
Cripit