Project M, the unofficial lovechild of Super Smash Bros. Brawl and Melee, has been abandoned
by its developers, but fans are still churning out content for the popular mod. As of last Sunday, our favorite conniving Mario underdog has earned his own—again unofficial—Smash character in Project M. Waaaaaaaa.
Source: Kotaku – Wahaha, Smash Bros Players Mod Waluigi Into Brawl