Research File by Richard Robinson - Issuu
Mobius: 25 Years Later: The Review, Part 16 - Whatever Happened To Ken Penders? - Sonic Retro
Artist spotlight: Moebius
SAGE 2023 - Complete - Sonic Encore : Final Build
Sonic Universe - Wikipedia
Mobius: Sonic Shadow Silver by AZ-Derped-Unicorn on DeviantArt
Sonic the Hedgehog: Up Against the Wall by Golden Books
King Shadow the Hedgehog (Mobius XYL) by xMalicex -- Fur Affinity [dot] net
Shadow the Hedgehog (Light Mobius)