Young Sonic and Shadow - Sonic Kingdom Hearts by sonicgirl313 on DeviantArt

Sonicgirl313's Sonic Fan Art - Fan Showcase - Sonic Stadium

Kingdom Hearts Sonic by AnTyep on DeviantArt

Sonic and Saint My little hero by IdalYaoiSonic1344 on DeviantArt

Shadow the Hedgehog (Sonic the Hedgehog 3) by Supecrossover on DeviantArt

905909 - safe, artist:sonicgirl313, sonata dusk, siren, absurd resolution, parody, ponyo, studio ghibli - Derpibooru

Shadow The Hedgehog on SonicUniverses-Group - DeviantArt

Kingdom Hearts: Sonic Adventure by Guest02000 on DeviantArt

Shadow and Darkness by sonicgirl313 on DeviantArt

SHADOW on Sonic-High-3D - DeviantArt