Kraang Prime is the one of the main antagonists of the 2012 version of " Teenage Mutant Ni​nja Turtles. He is the leader of the Kraang and the latest incarnation of Krang. Kraang Prime was once a respected Utrom scientist who discovered the "milk" of the Kraathatrogon worm, which would soon be known as mutagen, and used it on himself.