They put Joe the Plumber to shame.
"And another thing. Why don't you ever let me go first, Mario! You never listen stupid little Italian man."
Luigi always gets stuck with the dirty work.
Mario & Luigi took some bad mushrooms that only worked on their hands.
I'm sure Yoshi wouldn't mind carrying two. Just this once.
We've seen regular Mario and Luigi, but these are the first two who spit fire.