ok background of dastrob

dastrob is an scientist who had an accident in a lab witch costed his arm. He got an new one from some random guy. (robot arm)(and yes he has an tail) With out relizing the arm started to bring NEGITIVITY/corruption and turned him into pure evil. now he started an apocalypse hes the main villain in meh serises. BASICLY HE TURNS PEOPLE TO AN OPPISITE COLOR AND MAKE THEM STRONGER