I'm all into Asmodeus and Beelzebub XD
Here's some of chinese fanarts (I know it's in japanese, but still XD)
Rhamda-chan & Miyo : Celebrating Usoda-day
The reason of Natsuhi's headache
Spoiler:
"Hey you, yeah drop that cleaver, and take this instead...
Good, now you are prepared, do whatever you like to them'... as you like =_=+"
Evil Kanon: "This doesn't hurt at all...Really"