Even other DECEPTICONS think DEAD END is creepy. He's quiet most of the time, and when he's not it's usually to either snarl or say something weird. Even in robot mode, he creeps around on all fours. He refuels by siphoning energy from other robots. If he can't find AUTOBOTS to steal from, he quietly attaches his filters to other DECEPTICONS when they're not paying attention, and slowly drains them dry.