|Baby Luigi did not originate from fanon, and more information can be found on their respective wiki(s). You may read more about it on the following wiki(s):|
|Baby Luigi as he appears in New Super Mario Bros. D.I.Y.|
Baby Luigi is the infant form of Luigi. Baby Luigi, like his older self, is described as being meek and cowardly. For the most part he is very friendly too, as he gets along great with the other Babies. Although Baby Luigi is an extreme crybaby, he seems to actually be less cowardly than his older self. Like Baby Peach, Baby Luigi was also kidnapped a lot. He was always rescued by Baby Mario and Yoshi.
Baby Luigi appears as a playable character in the Wii platformer game Super Mario Bros: Diaper Duty. He is one of the two starting characters. He can jump on foes and shoot greeen fireballs. He has a better jump than his brother but is slightly slower.
Baby Luigi is a main character in Super Baby Mario Bros.
Baby Luigi is a player on the Baby Brigade team on the multiplayer wii sports game Mario Rugby League. He is a skilled character with average strength but is slow. His special skill is to shoot a small amount of thunder for long distance tackling.
Baby Mario and Luigi both appear as a playable pair in Super Duper Smash Bros
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Baby Luigi appears in Mario Kart Powers as a small unlockable character. Baby Luigi can be unlocked by unlocking one Staff Ghost, and his signature colors are green, navy and white.
Baby Luigi appears as an unlockable character in Mario Kart 8 Wii U. He can be unlocked by unlocking 10 expert ghost data's. His special move is Boo Ball.
Baby Luigi appears as an unlockable character in Mario Kart Wii 2.0
Baby Luigi appears in Mario Hoops 3-On-3 Switch (mainly known as Mario Hoops 3-On-3 Deluxe) as a playable character. He is a Speedy character type and his special move is Super Jump Dunk. He is a secret character to unlock him you must beat the Mushroom Cup on Hard difficulty (or above). His default partner is Baby Mario . His team name is the Baby Luigi Poltergiest.