Main Page | See live article | Alphabetical index In Sonic the Hedgehog video games, Doctor Eggman (in modern-day and Japanese versions), or Doctor Ivo Robotnik (early United States and European versions), is the archnemesis of Sonic the Hedgehog. Despite failure every time, the mad scientist with the I. Q. of 300 will never give up his quest for domination of Earth (or Mobius in the earlier U. S. and European versions) This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.