Luigi

Luigi is Mario's younger, taller, and slightly thinner twin brother. Luigi has assisted and fought alongside his brother on many occasions. Throughout his life, he has lived in Mario's shadow, developing both cowardly and heroic tendencies. Mario Bros. marks his first appearance in the Mario series, and his debut in general. Originally a palette swap of Mario, Luigi was created to facilitate a second player option. Since the two player mode was dropped from most main Super Mario games beginning with Super Mario Land, Luigi had gained his own identity and personality.

Physical Appearance
Luigi is very similar to his older brother in appearance, although Luigi is slimmer and taller. His face is notably thinner and chinless. Luigi has a smoothed mustache and light blue eyes. He wears unfaded denim jean overalls, brown work shoes, and a green long-sleeve shirt. Luigi's Cap is similar to Mario's Cap, being green instead of red and having an "L" replace Mario's signature "M." Artwork for the Mario &amp; Luigi series has consistently depicted Luigi as wearing red and white striped socks; this trait is not present in any other games.