Mario Fan Games Galaxy
From Mario Fan Games Galaxy Wiki
Mario Fan Games Galaxy is a website that focuses on creating parodies and tributes for the official Super Mario Bros. series. Various resources are available for anyone who wishes to make a fangame of their own. This site is founded by Thunder Dragon whom, while not as active as he used to be, still visits occasionally.
Much like fanart and fanfiction, these games are made for fun. No further profit is made from them.
Without Willy Goldwater and Retriever II, the site and forum may not exist today.