I know that IGN has next-to-no credibility here but it's the best I got at the moment:Haunted One said:Source for that? And don't say starman.net.
http://wii.ign.com/articles/810/810757p1.html
The hero and main character of Mother 3 (of what Americans know as the EarthBound series), Lucas was originally intended to replace Ness in the Smash Bros. roster during the development of the last installment, Melee. His debut game, though, got unceremoniously dumped the original version of Mother 3 was to appear on the Nintendo 64, but the project was scrapped.