Yesterday the Sonic movie trailer finally released to the public to mixed criticism. We already had some of the more obvious Easter eggs uncovered but people have been quick to point out more.  One of the military generals seen at the discussion table around 0:39 is the one and only Garry Chalk! You may not know who he is but he was the voice actor of Grounder in Adventures of Sonic the Hedgehog and Robotnik in Sonic Underground.

He is in the picture above to the far left with Grounder looking at him. It's pretty neat that they did anything like this for the movie and who knows how many more Easter eggs will be uncovered or found in the final movie. It'll be interesting to see what else is found(and if they fix Sonic's design hehe).