Sonic the Hedgehog protagonist Sonic the Hedgehog, a blue hedgehog able to run at supersonic speeds, and recurring villain Dr. Eggman, an evil scientist whose ambition is to conquer the world. Among Sonic's many allies, the most well-known include: Miles "Tails" Prower, a twin-tailed, highly intelligent yellow fox who is Sonic's sidekick and best friend; Amy Rose, a pink hedgehog who is Sonic's self-proclaimed girlfriend and a hero in her own right; Knuckles the Echidna, a coolheaded red echidna who is the guardian of the Master Emerald; Shadow the Hedgehog, an anti-heroic doppelgänger of Sonic with a dark past; and Metal Sonic, a
Sonic the Hedgehog produced by OuiDo! Productions and will begin airing 11-minute episodes on Cartoon Network in Fall 2014. On February 6, 2014, Sega announced that "Sonic Boom" will become a separate franchise in the "Sonic the Hedgehog" universe. The new franchise includes two new "Sonic Boom" video games to preclude the TV series, and it uses redesigns of all the major characters exclusively within the franchise. Cartoon Network began to air the series starting from November 8, 2014. "Sonic Mania Adventures" is a five-part series of animated shorts released on the "Sonic the Hedgehog" YouTube channel between March 30 and July 17,