I don't know how to add character tags, but the guy that keeps on saying "LOL" is a parody of ceemcneil, the creator of juju (and drawn based on his actual typing style in the official forum).

Remember everybody, when you get home from signing a NDA, be sure to post about it first thing.
http://skullgirls.com/forums/forums/index.php?threads/juju-officially-removed-from-skullgirls.1322/

Added English, ebonics, and netspeak, though I'm not quite sure what -- or what properly -- to call this.