Mitchell is incredibly edgy and acts like some sort of dark hero even though he is a loser. He is the brother of Adrian Shephard and is a former soldier, but he got beaten up by someone who he thought was Gordon Freeman. It wasn't, it was his newest friend Adam. He gets double crossed a lot apparently by everyone but Nick. He says he doesn't like kids but he does due to him being an orphan. He's good friends with Evil G-man. He also adopted like. 25 kids once. And raised them with Nick. 