Knuckles is one of the most popular characters cast, as fans instantly took to his rough-and-ready demeanour and cool abilities. He’s one of just a few characters to have been given his own starring roles, including the 32X game , various comics and the forthcoming Paramount Plus series , a spin-off of the movies in which Idris Elba will reprise his role as voice actor. Here’s what makes the red echidna tick.