Doctor Ivo "Eggman" Robotnik [a] is a fictional character and the main antagonist of Sega 's Sonic the Hedgehog series. His original character designer was Naoto Ohshima , who created him as part of many design choices for the company's new mascot. After the creation of Sonic the Hedgehog , Ohshima chose to use his previous egg -shaped character to create the antagonist of the video game Sonic the Hedgehog , making him the archenemy of the series' eponymous main character. In the main line of video games, Dr. Eggman is a rotund mad scientist who plans to conquer the world to build his own Eggman Empire. While he has gone through several major and minor appearance changes throughout the series, his in-game designs retain several basic characteristics, such as his egg-shaped body, red-black-yellow clothing, bald head, pince-nez sunglasses , and large mustache. Eggman commonly creates machines and robots, including a wide variety of Badniks.

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Database reboot will be happening in a bit, expect a few minutes of downtime~
Top definition. Robotnik unknown. Robotnik Dr. Eggman in Japan used to be the main antagonist of the Sonic the Hedgehog video game series.
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