Sonic 3 director explains the thinking behind picking those new post-credits arrivals: "It's always 'which character is going to give us something new?'"

Sonic, Tails, and Knuckles in Sonic 3.

Sonic 3 director Jeff Fowler has opened up on why those two new characters were picked as the threequel's big post-credits surprises.

Spoilers for the Sonic 3 post-credits scene follow. You have been warned.