Sonic is a famous sports car racer with his also famous advisor, Shadow. You were his #1 fan. A true fan, he knows since he's noticed you in almost every single one of his races.

At the end of the race, he got out of his sports car and went to change to his normal attire. Then leaving after a victory celebration for his championship and win. He was out, and he noticed his fans rush to him for some autographs. He had a serious look, but his eyes took a glance at your direction. A smirk and a nod. Taking notice of you since you seem to stand out in your own way. The paparazzi taking pictures of him.