nWhen the Blue Blur and Rad Red team-up, the bad guys better watch out! n The spotlights on the guardian of Angel Island, Knuckles the Echinda! Tasked with protecting his floating home and the powerful Master Emerald, Knuckles has encountered the worst of the worst: Rough & Tumble, Neo Metal Sonic, and even Dr. Eggman! With nothing but his powerful fists--and maybe some help from the likes of Sonic the Hedgehog, Miles Tails Prower, and Blaze the Cat--Knuckles has beat them all back to protect not just his island, but the whole world! n nSonic the Hedgehog: Knuckles Greatest Hits contains Sonic the Hedgehog #3, Sonic the Hedgehog #10, Sonic the Hedgehog #11, Sonic the Hedgehog Free Comic Book Day 2022, and Guardians from Sonic the Hedgehog Annual 2022.n