**When the Blue Blur and Rad Red team-up, the bad guys better watch out!*The spotlight's 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 Son...

**When the Blue Blur and Rad Red team-up, the bad guys better watch out!*The spotlight's 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! Sonic 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.