Dr. Jekyll and Mr. Hyde is a villain from The Robonic Stooges episode Dr. Jekyll and Hide Curly.

He is a mad scientist with two heads, one on the front of his head (Dr. Jekyll) and one on the back (Mr. Hyde).

In the episode he appears in, he wanted to kidnap Curly to perform an experiment on him. When the Robonic stooges came to stop him, he kidnapped Curly, and when Moe and Larry tried to get him back, it was too late, and they were all experimented on and put in a dungeon. After they got out, they defeated him and caused an explosion in his place of operations.

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