Krang is a notorious villain from the Teenage Mutant Ninja Turtles series. Originating from the Dimension X, he is a warlord who seeks to conquer Earth with his high-tech, biomechanical body and advanced alien technology. Krang is known for his scheming intelligence and ruthless strategies. Often seen as the mastermind behind various plots against the turtles, he collaborates with Shredder to achieve his nefarious goals. His brain-like appearance and menacing demeanor make him a formidable foe, posing a constant threat to the turtles and their allies.