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Ikepedia is the officially decreed successor to Gammapedia concerning Gammasphere canon.
Infinitypedia is another successor.
Ebaum
From Gammapedia
Ebaum is an evil guy who made a world to frighten Trick or Treaters, lost shoes, you, and a guy named Phil. He gave a job to Waldo to scare kiddies with his Where he is antics.