Luigi

Luigi is the younger sibling of Nintendo's mascot, Mario. He has appeared in nearly every Mario game since debuting in the Game & Watch game, Mario Bros. Luigi's distinct characteristics from Mario is his taller and slimmer body, a green shirt, a green cap with an "L" on the front.
In his earliest appearances, Luigi was just a palette swap of Mario. In Luigi's playable appearances in games of the Super Mario series, he has the ability to jump higher and slide farther than Mario. When the Nintendo GameCube was released, along with it came Luigi's Mansion, the third game Luigi stars in, after Luigi's Hammer Toss and Mario is Missing!. Luigi may be in love with , just as Mario is in love with Princess Peach.
==Mainline appearances==
Luigi has not directly appeared in any games of , although there are a few counterparts designed after him. Luigi's first counterpart is the Henhouse Keeper in . His second counterpart is Ingo, debuting in , whose relation to Luigi is parallel to Talon's to Mario. Ingo's jealousy of Talon is a nod to Luigi's status as a secondary character in several Mario games.
==Crossover appearances==
Luigi is a playable character in every game of the Super Smash Bros. series. In most installments, Luigi has to be unlocked first.