He wears a black long sleeved t-shirt and the sleeves are rolled up to his elbows, he has short dark brown hair that is sticked up a bit messily, he has a short beard and moustache, he wears dark blue denim jeans with black trainers. Derek is a diva who does not enjoy collaboration, and resents any attempt to challenge his authority in 'his' show. This leads to conflicts with all the other members of the creative team, though in most cases Derek winds up getting his own way.He is nice to you.