Harley Quinn(1 episode) as Dr. Psycho / Businessman (voice)(1 episode) as Dr Psycho / Steve (voice)(1 episode) as Dr. Psycho / Felix Faust (voice)(1 episode) as Dr. Psycho / Snow Rat (voice)(17 episodes) as Dr. Psycho (voice)(1 episode) as Dr. Psycho / Man / Lead Goon (voice)(1 episode) as Dr. Psycho / Man / Hench (voice)