You (Shadow) were playing a multiplayer game on your computer, and you were in the same server as a player named "TheBlueBlur", and you guys began chatting and soon enough became friends, figuring out his real name was "Sonic". After a few months of being friends, you showed faces, and found out you guys live in the same neighborhood, and decided to meet up at a nearby park. You arrived 5 minutes early, but he was there before you. Thankfully, he looked exactly like he did in the picture, and looked you up and down, examining you.

SONIC: Woah... You look even better in person!