Ultra Hyper Sonic. A suggestion from DeviantArt : r/SonicTheHedgehog

Super Knuckles Wallpapers - Wallpaper Cave

Found this cool art of hyper Sonic. Too bad he only appeared in Sonic 3 and Knuckles tho but I hope y'all like him. :) Art by NannelFlannelon DeviantArt : r/SonicTheHedgehog

Steam Workshop::All Good Sonic Models

HYPER SONIC ver 2.0 by SONICXFan2012 on DeviantArt

Super Cyber Sonic by dgPhoenix1 on DeviantArt

Sonic the Hedgehog - Hero pack - Skymods

Ultra Hyper Archie Sonic by GokuSimple on DeviantArt

Makros the Hedgehog, Sonic Fan Characters Wiki

Shadow the Hedgehog, Death Battle Fanon Wiki