Fan Casting Mike Erwin as Knuckles the Echidna/Super Knuckles and Metal Knuckles (voices, ever since Speedy's voice in the Teen Titans franchise) in Sonic Heroes 2

Mike Erwin is known for his roles in Hulk, American Pie 2, and Chaos Theory. He has been suggested by fans for 61 roles on myCast, including Roy harper in Marvel vs. DC warz. Similar actors include Robert Pattinson, Sam Claflin, and Taron Egerton. Mike Erwin was suggested to play Knuckles the Echidna/Super Knuckles and Metal Knuckles (voices, ever since Speedy's voice in the Teen Titans franchise) in Sonic Heroes 2 by cartoonman8748. Other actors sugggested to play this role include Scott Dreier. Sonic Heroes 2 has 79 roles, including Rouge the Bat and Metal Rouge (voices, ever since Panty's voice on Panty and Stocking with Garterbelt), Sonic the Hedgehog/Supersonic and Metal Sonic (voices, ever since Peter Parker/Spider-Man's voice on Spectacular Spider-Man), and Shadow the Hedgehog/Super Shadow and Metal Shadow (voices, ever since Kovu's voice in The Lion King II: Simba's Pride).