User blog comment:Numnum22/DC characters with similarities to other villains:The Joker/@comment-34657479-20190911051144

Don't forget Judge Holden (Blood Meridian), Sundowner (Metal Gear), Rugal Bernstein (The King of Fighters), M. Bison (Street Fighter), Mephiles the Dark (Sonic) and Dr. Robotnik (Sonic SATAM)