Sonic the Hedgehog 2 (2022), which also gave us Knuckles ... himself the fastest hedgehog as a callback to an earlier scene in the movie. However, in the mid-credits scene, he overshoots it ...

Indeed, the Sonic franchise has a history of introducing pivotal characters in post-credits scenes; the first movie brought Tails ... the villain of Sonic 2, went on to have his own Paramount ...