I love this picture to bits! I love the colours you used and love the texture. That outline is so bold and it looks great. But there is one thing bugging me.
That is part of the outline on his top spine and the one below. It needs some fixing, it isn't completley curved, it's only a small section but I noticed it right away. If you fixed that then this picture would be completley perfect.
Great work, I love seeing your arts, keep it up. Like I said, perhaps go and fix the outline and then upload the fixed version.
Ok...how can put this lightly....hmm ok screw it. This "Is the perfect look for sonic". The Archie comic design gives Sonic a peronality when u see his face, the really long spikes hair from 06 (or at least what I think) makes him look more grown up and mature, and finally the soap shoes....god I wish they bring those back in the game, but I see u made ur own twist on it making then more resemble the classic shoes. And the pose he's doing looks like he's either ready for a fight or ready to race. Extremely great work.
I absolutely love this very much! I love Sonic's pose in this! I love the bigger pic of him in the background and with the writing, "BLUE BLUR, SONIC"! It has a lot of fun action in this! Sonic just looks like he is ready for another battle!