Ben

Ben was a good friend of Rory and got jealous of Rory having a lot of power and went to kill him for being more powerful. So at a sleepover with he tried to kill him in his sleep but Rory's rat like senses sensed it and super punched him into another dimension where he mixed with some strange liquids and got the ability to shape shift.But know he is stuck in the alternate dimension plotting his revenge on Rory