I've been browsing through old Sonic websites I used to visit a lot. It's been a reminder of how much the world of Sonic fan projects has changed. It used to be that any Sonic fan film or cartoon that was in production never made it to where it was animated due to the lack of animators, and it still is that way for the most part, but thanks to technology improving, we're starting to get fan films like Sonic Prologue and Eddie Lebron's Sonic fan film. While the animation in those may not be perfect, they still look pretty good for fan films.
Now one fan series that's been on and off with it's production for over a decade is :icontoni-the-mink