File:London2012 Shadow.png - Sonic Retro

Jet (Sonic the Hedgehog) - Super Mario Wiki, the Mario encyclopedia

Due to the lack of a proper timeline in the Sonic Encyclo-Speed-ia, I decided to make my own. Second image contains my notes, reasonings, and conjectures. : r/SonicTheHedgehog

Shadow the Hedgehog/Gallery, Sonic Wiki Zone

Category:Artwork of Shadow the Hedgehog - Sonic Retro

Shadow the Hedgehog in Sonic the Hedgehog : FeliciaVal : Free Download, Borrow, and Streaming : Internet Archive

Category:Artwork of Shadow the Hedgehog - Sonic Retro

Sonic and the Secret Rings - Sonic Spin-offs - Sonic Stadium

Sonic the Hedgehog (I-Mode, J2ME) - The Cutting Room Floor

File:Wintergames shadow.png - Sonic Retro

File:London2012 Mario.png - Sonic Retro

Dez Anos de Maratona Sonic

Shadow (character) - Super Mario Wiki, the Mario encyclopedia

Sega Retro:Anniversaries/May - Sega Retro

Shadow the Hedgehog in Sonic the Hedgehog - Sonic Retro