Sonic the Hedgehog/History and appearances (IDW), Sonic Wiki Zone

Sonic hails from parts unknown. What is known is that he has always been on the move, looking for his next adventure. Sonic has spent years of his life battling his arch-nemesis, Dr. Eggman, and his forces for the fate of the world, with the hedgehog always prevailing in the end. Along the way, he has made numerous friends, rivals, and other enemies. Noticeably, he practically raised his best friend and closest ally, Tails. Some of the doctor's plots that Sonic has foiled include his countless a

Sonic the Comic Issue 61 – Sonic City

Tails - Sonic Wiki - Neoseeker

Sonic the Hedgehog/History and appearances (2007 - present

Super Sonic (Sonic the Comic), Sonic Wiki Zone

Caterkiller (IDW) Sonic Wiki Zone+BreezeWiki

Sonic the Hedgehog (IDW) (Comic Book) - TV Tropes

Sonic the Hedgehog (character) - Wikipedia

Sonic the Hedgehog's 900th Adventure - Reader Reaction & Review

Sonic the Hedgehog (franchise) - WikiFur, the furry encyclopedia

Bean the Dynamite (IDW) Sonic Wiki Zone+BreezeWiki

Sonic the Hedgehog (Sonic X)/History and appearances