Board Thread:General Discussion/@comment-1031724-20160828014723/@comment-679780-20160907153927

KillRoy231 wrote: Also of note: Sonic first gives Robotnik the nickname "Eggman" in Sonic Adventure, so any games where characters call him "Eggman" must be set after (He still calls himself Robotnik in Sonic Adventure, but starts calling himself Eggman in Sonic Adventure 2, his theme song even goes "I am the Eggman"). The game can still call him Eggman as long as characters don't (like Sonic 4, if I remember correctly) Yes, I believe in Japan he was always called Dr. Eggman, but most of the world known him as "Dr. Robotnik", so Sonic Adventure remedied that and later games have him adopt the moniker.