http://img110.imageshack.us/img110/8789/megadon1ce.gif Don Dueck
Don created the (incomplete) Dreamweaver Super Mario Bros. 2 editor. You'll find it mentioned on Acmlm's Message Boards. He is currently in the process of rewriting the editor in VB.NET.
He also created the Super Mario Bros. Hack entitled Super Amish Bros. It was his first attempt at ROM hacking.
Visit Don Dueck's Website