Silver Sonic (Character) - Comic Vine

Silver Sonic is a robotic doppelganger of Sonic the Hedgehog and the predecessor of other doppelgangers like Shard and Metal Sonic.

Metal Sonic (Character) - Comic Vine

Doctor Ivo Robotnik (Pre-Super Genesis Wave)

Silver the Hedgehog, MMKB

Dr. Robotnik screenshots, images and pictures - Comic Vine

Silver Sonic Teams - Comic Vine

Video Game characters vs Marvel characters (individual matches

Silver Banshee - Wikipedia

Meet Sonic's Ancestor, Bravehog The Hedgehog

Archie Sonic vs The Thing (616) - Battles - Comic Vine