Travis Willingham

Travis Willingham (born August 3, 1981) is an American actor and voice actor who voiced King Roland II in the 2012 Disney animated TV film Sofia the First: Once Upon a Princess and Thor Odinson in The Avengers: Earth's Mightiest Heroes, Ultimate Spider-Man, Avengers Assemble, Hulk and the Agents of S.M.A.S.H. and Phineas and Ferb: Mission Marvel. He is also known to be the current voice actor of Sonic the Hedgehog character, Knuckles the Echidna.