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Ikepedia is the officially decreed successor to Gammapedia concerning Gammasphere canon.
Infinitypedia is another successor.
Pie Overlord
From Gammapedia
Pie Overlord was the highest rank of a member of the now-defunct United Pie Nation. Pie Overlords enjoyed complete control over the UPN and their Pie Death Star. They did not get along well with the Pie Emperors though, even after their merger.