Board Thread:General Discussion/@comment-26564894-20150901103909/@comment-679780-20150902143158

Rainbowser wrote: Mystic Monkey wrote:

Rainbowser wrote: As far as I know, Eggman has an IQ of 300 and Tails has an IQ of 200. Even if Eggmans more of a technical genius than Tails, Tails still has more common sense than Dr. Eggman. Well, yeah. Eggman is a mad scientist. They usually don't have that much of it.

So it's not really definite. Each have different mental qualities that questions their genius.