Eggman Nega did not originate from fanon, and more information can be found on their respective wiki(s). You may read more about it on the following wiki(s):

Eggman Nega
The other Eggman.
Full Name Doctor "Eggman Nega" Robotnik
Current Age  ?
Gender Male
Location  ?, Sol Dimmension
Class Villain
Family and Relations
Dr. Eggman
Main Weapon(s) Robots, Machines
First Appearance Sonic Rush (canon)

Sonic Heroes 2 (fanon)

Latest Appearance Micool's Second Quest
Who are you to try and stop me?!
Eggman Nega in Micool's Second Quest

Eggman Nega is the parallel version of Dr. Eggman that has appeared in the Sonic the Hedgehog series. He came from the same dimension as Blaze. He is a lot smarter than his counterpart, but also more insane.

Sonic Heroes 2

Eggman Nega is a playable character in Sonic Heroes 2 as a participating member of Team Eggman.

Sonic Speedball RPG: The Series

Sonic Speedball RPG

Eggman Nega has a huge role, as the main enemy in the Sonic Speedball RPG (Dr. Eggman makes no appearance what-so-ever) who is trying to collect all the Chaos Emeralds to finish building Mecha Shadow, (also known as Metal Shadow) an advanced version of Metal Sonic.

Sonic Speedball RPG II: The Coming of Chaos!

Eggman Nega reappears in Sonic Speedball RPG II: The Coming of Chaos! but this time with minor role of helping Chaos destroy the world. At the end the player is expected to believe that Nega is a good guy when he helps Sonic and friends defeat Chaos.

Sonic Speedball RPG III: Nega's Empire

Eggman Nega will appear once again but this time he will take over the world and form an empire.

Fighting In His Own World

He appears as a secret boss in Micool's Second Quest. You find him in the Nega World/ 9th World.


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