Krang was Warlord from Dimension X but then exiled he came to Earth to work with Shredder to take over the Universe, and take back control of his old Dimension. Of course his hidden plan is to take it over himself, which it never tels you directly but it can be seen by his qualities. He developed the "technodrome" which he instated as his base of operations. He is very intelligent which made his size disadvantage not as bad once his giant robot was developed. Inside of it Krang is almost indestructable. This mastermind as well wishes to destroy the Teenage Mutant Ninja Turtles.