Luigi - Marioverse Wiki

King Boo, Villains Wiki

Wario, Marioverse Wiki

King Boo (Luigi's Mansion), Pure Evil Wiki

Mario and Luigi: IndethiCrust : r/marioandluigi

Luigi (Canon)/Paleomario66, Character Stats and Profiles Wiki

Ludwig von Koopa - Marioverse Wiki

Luigi (I Hate You), Inconsistently Heinous Wiki

Homo Nintendonus : r/Mario

Mail Toad - Marioverse Wiki

Fawful, Villains Wiki

Luigi, Mario Kart Wii Wiki

Petey Piranha - Marioverse Wiki

Which Super Mario Bros. character is better: Mario or Luigi? - Quora

The Dynamic Between Mario and Peach and Luigi and Daisy's Relationship : r/ Marioverse

Marioverse (My new version) by DaltonandBrooklyn on DeviantArt