Yep! That last picture was for deviantart's "Draw this again" meme contest!
I've changed a bit, such as Shadow's shoes and the way Sonic runs, but I guess that's part of the improvement!
Did the before one in 6th grade.
The after one... today. 8th grade. XD
I've gotten better quite a bit over two and a half years!
Art (c) Me
Characters (c) SEGA