Well. No Waluigi in Brawl.
Obviously this is because he would be so awesome, that he could easily destroy any character with 1 press of the A button.
At least he does make an appearance.
So at least he jumps in, beats the crap out of someone and then scurries away. Hoorah!He stomps on whoever he currently despises!
Characters that suffer his stomping get embedded in the dirt.
Waluigi keeps on stomping, punishing his foe persistently with successive blows. As should be expected from Waluigi.
Never forget to finish off those who are helpless to resist. Such a philosophy should really be expected from Waluigi.