2015 - Sonic Adventure - Super Sonic by RGX on Newgrounds

Made back in 2015. Loosely based off the promotional art from both Sonic Adventure and Sonic Shuffle.

Newbie's Perspective Sonic X Episode 59 Review Galactic

2019 - Comic Cover - Sonic Forces: Operation Infiltration by RGX

SUPER SONIC by CryoGX on Newgrounds

RGXSuperSonic - Hobbyist, Filmographer

The 1st Annual Eggman/Robotnik Parade of Sidekicks by jongraywb

Six is A Crowd (AngieYaz Sonic Underground reboot)

faithful-grigori — alexolotl-love: i watched @snapscube's sonic

Super Sonic Adventure 2 (& Shadow) by kansokushaaa on Newgrounds

RGXSuperSonic - Hobbyist, Filmographer

Just some regular Sonic Adventure promo art, nothing weird about

Sonic Adventures Fancomic Poster by andrewking20 on DeviantArt