Casey

Casey the red haired guy who appears in the intro and on the fail screen of Act 2. there's speculation that he could have been Konoko's partner, or rival or love interest. Users have also speculated that he could be Griffin's son that idea was developed in the Joint Story on the forum.

Casey was made into a custom character mod by Samer, and was given custom moves and various outfits Can be discussed here : http://oni.bungie.org/community/forum/viewtopic.php?id=1262