|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.
- This is the version of Sonia Acorn in the Mobius (future version) zone. You may be looking for Sonia Acorn or Sonia the Hedgehog
Sonia Acorn was born in the period following the defeat of Robo-Robotnik, along with her brother Manik Acorn. One day, she was seen to be happily playing with her grandfather Maximillian Acorn with Manik.
While outside with her family, Sonia had a brief encounter with Robotnik Prime when he was inadvertently transported to her universe by E.V.E., saying he looked "mean and nasty". Sonia was tragically killed along with the rest of her family when Robo-Robotnik nuked the planet.
- Sonia's name was not stated during her appearance in Sonic the Hedgehog #22 or Sonic In Your Face. She received her name in Sonic Archives #6.