not exactly "know" i know them via internet.
you'd be best going to mmorpgmaker.org/forums
and signing up and finding some Sonic sprite sheets. using the maker you can make the game without a lot of programming. it's all in script.
and looking into jharbour.com
site of indie dev Jonathan S Harbour. goes by twobitcoder. don't ask him, he's really busy, go for Draco, eJar or someone else like that.