This is a list of fictional DC/Marvel characters who are enemies of Frankenstein. Most of these villains consist of tragic stories which led up to their villainous activities and other insane events which caused them to turn the way they are. Many of these rogues possesses no superhuman ability while others hold powers beyond the supernatural.
Robert Jackson was intelligent. He loved all machines and loved making machines. However, after losing a hand, he builds a mechanical one and dubs himself as the Mechanic.Since then, he has built machines to try and best Frankenstein at his own game.
Legends of the Frankenstein #1
This was Dr. Zing's first creation. He has had it since the age of 9 and keeps it to old age. Later on, it gains the ability to move on its own.