Sure, there are Easter Eggs with nods to previous games and characters who are no longer with us, but there is a very subtle one in Sonic Generations. Take a look:
Relax, guy. Enjoy yourself. If you find yourself going into rant mode, kindly go to the Official SEGA Forums and stay there. You are clearly under the age of 12. Special thanks to Vandelay for the video.
This video is a front-runner for my favorite Sonic video of the year award that I invented just now. My other favorite, which also involves Generations‘ game engine, is past the jump. It was made by Chimpo, so you know it’s great.