|This character exists primarily or exclusively within the Pre-Super Genesis Wave continuity.|
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
E-119 Upsilon is a character mentioned in the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics. It was the nineteenth unit in the E-100 Series line, created by Dr. Ivo "Eggman" Robotnik.
E-119 Upsilon was created sometime between 3236 and 3237, possibly during or after Dr. Eggman's campaign on harnessing the power of Chaos. At some point, it was sent to the Battle Fortress to meet with the Battle Bird Armada, but it was attacked by E-102 Gamma and its Mobini freed.