File:Wintergames bowser.png - Sonic Retro

Sonic the Hedgehog CD (2011) - The Cutting Room Floor

Sonic Mario

Bowser - Super Mario Wiki, the Mario encyclopedia

Mario & Sonic at the Olympic Winter Games (Wii) - Super Mario Wiki, the Mario encyclopedia

Wii - Mario & Sonic at the Olympic Winter Games - Save Data Icon and Banner - The Spriters Resource

Mario (Super Mario Bros.)/Gallery

File:Wintergames eggman.png - Sonic Retro

GameCube - Mario Superstar Baseball - Yoshi - The Models Resource

Sonic-16 (non-existent build of unreleased Sega Genesis/Mega Drive game based on Sonic the Hedgehog animated TV series; 1993) - The Lost Media Wiki

Mario & Sonic: Winter Olympics (Wii) Artwork including Team Sonic and Team Mario characters