Robotnik can refer to many people:
- Doctor Ivo Robotnik, the real name of Dr. Eggman, in the Sonic games continuity.
- Doctor Ivo Robotnik (Archie), in the Archie Comics series up to and including StH #50.
- Doctor Eggman (Archie), from the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics.
- Doctor Ivo Robotnik (Adventures of Sonic the Hedgehog), from Adventures of Sonic the Hedgehog.
- Doctor Ivo Robotnik (Fantail), from the Fantail adventure books.
- Doctor Robotnik (SatAM), from Sonic the Hedgehog television series.
- Doctor Eggman (Sonic Boom), from Sonic Boom.
- Doctor Ivo Robotnik (Sonic the Comic), from Sonic the Comic.
- Doctor Robotnik (Sonic the Hedgehog: The Movie), from Sonic the Hedgehog: The Movie
- Doctor Robotnik (Sonic Underground), from Sonic Underground.
- Doctor Eggman (Sonic X), from Sonic X.
Others named Robotnik
- Snively Robotnik, Ivo Robotnik's nephew.
- Gerald Robotnik (Archie), Eggman's grandfather in the Archie Comics.
- Maria Robotnik (Archie), Eggman's cousin in the Archie Comics.
- Mecha Robotnik, Eggman's robot "daughter".
- Professor Gerald Robotnik (Sonic X), the Sonic X continuity of Eggman's grandfather
- Maria Robotnik (Sonic X), the Sonic X continuity of Eggman's cousin
- Good Robotnik, an alternate version of Robotnik from a reality where the hedgehogs are evil rulers
- Doctor Ovi Kintobor, Robotnik's alter-ego from early Sonic canon by Sega of America and Sonic the Comic.
- Dr. Ivanna Robotina from the Luna Zone Mobius (Archie Comics).
- Dr. Julian Kintobor from Anti-Mobius (Archie Comics).
- Doctor J. Kintobor from the Mobius seen in Zone Wars: Giant Robotno (Archie Comics).
- Ivo Robughnik from the timeline of the Prehistoric Freedom Fighters (Archie Comics).
- Robolactus, enemy of the Freedom Fighters of the Galaxy (Archie Comics).
- Warden Zobotnik, warden of the Zone Jail (Archie Comics).
- Dr. Eggman, from the Archie zone which most closely follows the games.
- Eggman Nega, Dr. Eggman's doppelgänger from Blaze the Cat's dimension and the future.
- King Shahryar, Eggman's doppelgänger from the Arabian world of Sonic and the Secret Rings.
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