I just went to the Species page to check that it was Shapeshifters who have the marks they can't hide, and what do you know? The examples is a guy with the same markings and hair...
We've seen our... shifty boy before in Random Encounter.
One time in a volume all about MOTO: http://dhscomix.com/comics/comic.php?v=37&p=4
Another at the end of TT #4: http://dhscomix.com/comics/comic.php?v=46&p=7
Gotta love the interesting flock they got going on here. Vampire Snake lady? She is rocking those sun glasses.