User blog comment:Hyaenidae/Pictures of Prothean and EDI squadmates./@comment-3053284-20120217113632/@comment-1786741-20120218033351

Fear not, he has been mentioned in the leaked script and is meant to be integral to the storyline. Plus, I have seen a glimpse of an arm resembling his in the last multiplayer trailer. This probably rules out him being a dlc character.