Sega have released the first teaser for a new PS3/Xbox 360 title starring Sonic the Hedgehog on Facebook. The clip features Sonic running through a stylised version of what looks like Green Hill Zone, towards the end he is joined by what looks like a clone of himself. The only real difference is the colour of the eyes. The more modern green and black ones and the fully black ones. I think the message is clear. Sega are looking at the original game for inspiration as Sonic turns 20.