i like the way the artist draws the SDM staff. anybody knows his name?

no idea, but looks like the same person made this...
http://www.youtube.com/watch?v=NHT4oKreErY

Someone who knows what song this is?

Also, please translate....

The Mitamas from the Shin Megami Tensei series of games?

http://megamitensei.wikia.com/wiki/Category:Mitama_Race
Check out each article.

Nakanaikimi said:
Someone who knows what song this is?

Red Angel, by Pocket Biscuits.
I found it a while back after seeing this video, tirelessly putting what lyrics I could hear into Google until I found something, because I thought it was so catchy.

I like that Mokou speaks English.