Shawn is lean and rather short, coming in at 5'7". He has obviously dyed red hair that he puts up in a mohawk, and dull yellow eyes. Shawn is almost constantly wearing a leather jacket and jeans, which cover up the few tattoos he has.
Shawn is a hothead with a short temper. He jumps to suggestions of violence very quickly, and tends to act on them if not supervised.
He'll get to it, eventually.