I only recognize 4, 5, and 13. I've probably seen some of the other names, but I don't know anything about them.
I think I've seen one of the Yuji's, though. Something to do with the Persona or SMT series?
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http://i45.tinypic.com/fpchec.gif
http://img149.imageshack.us/img149/9413/cutepuppy16.png - Number of people that D'awwed: 63