Super Mario Trivia
The Mario Bros. consist of Mario Mario and Luigi Mario. They are the Mario Brothers because their last name is Mario. This is why it isn't the Luigi brothers. (Note: This has been confirmed by Miyamato-san himself)
I always heard that Mario was named for Nintendo's first land lord in North Bend, Washington, while Luigi was the name of a local pizzeria that they ate at???
Here's some links: http://en.wikipedia.org/wiki/Mario
confused /edit just read this part: "According to The Super Mario Bros. Super Show and the Super Mario Bros. movie, Mario's full name is Mario Mario, while his brother's full name is Luigi Mario."
Why does Luigi always get left out where Mario saves the day? SORT IT OUT!!!!!!!!!!!!!!!!!!
lUIGI ROCKS!