Luigi

Luigi is a major character in a number of Mario games. He is Super Mario's younger brother and Princess Daisy's boyfriend. Luigi also appeared (played by Ian Hecox) in Smosh in the video "Rejected Mario Games" and is a major character in the Teleporting Fat Guy series, in which he was initially known as Sheng Woo. He created the Power Glove and was Robbie Lee Phillips, Jr.'s mentor.

Smosh

 * REJECTED MARIO GAMES
 * Smash Rap

Shut Up! Cartoons

 * Chinese Monster Attacks!
 * Biggest Fear
 * A New Hope
 * Back from Hell
 * Oliver's Killshot
 * The Warlord
 * Entering the Lost Levels
 * The Lost Levels (mentioned)
 * The Return of Teleporting Fat Guy
 * The End