Doctor Galanna, Relic, and one of the Rogs from No More Robots. Coming Soon!

Did Sonic Colors use the Hedgehog Engine?

https://youtu.be/m9L_hUkF1e4

High Level Overview of Classic Sonic Physics https://www.youtube.com/watch?v=SUmqMixephg

Fun & Insightful Tweets from Naoto Ohshima, Sonic's creator. https://youtu.be/fpfrfcIqx1A

Over 20 minutes on Sonic Generations Development

https://www.youtube.com/watch?v=MQdN3_YdM1A

Keep spinning

I may have gone too far in this one... https://www.youtube.com/watch?v=S3aPiTEMxOA

A bit on Sonic Rush's Development https://youtu.be/xVS3g3JjJeQ

New info on Tails' Creation!!!!!!! https://youtu.be/nHuDtRK4JoU

Sonic made Cameo Appearances in several Anime.

https://youtu.be/AqMjfjySzys