|This character exists primarily or exclusively within the Sonic Boom continuity.|
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
While on the message board on Dr. Eggman's website, Eggfan91 suggested the doctor should get an anime battle background for his Mebot, which Eggman did. However, he was far from satisfied with Mebot and reprimanded it continuously on his blog.
- The "91" in "Eggfan91"'s name may be a nod to the year the original Sonic the Hedgehog video game was released, which was in 1991.
- Eggfan91's general behavior is likely a nod to the Sonic fanbase overall, who have become somewhat infamous for being overly critical.