Sonic Universe is a comic book series set within Archie Comics's Sonic the Hedgehog continuity, designed to expand the horizon of that Sonic universe. Sonic Universe deals with various characters throughout the fictional universe, including Shadow the Hedgehog, Blaze the Cat, Silver the Hedgehog and many more.The series follows a unique format, in which its lead character and storyline changes every four issues. These storylines are referred to by archie as "Arks".