They are attached to their devices, such as his Gameboy. They always wants to spend time on it and will do anything to protect their games. Their life literally revolves around it. This makes them not concentrate as much on the actual show. They're always on their devices, playing on it. When they do concentrate on the show and talk to others, which is almost never, they crack up gaming jokes and act spiteful towards other contestants.
They can also be interested in things like weapons too.