daddypa
Lude
Ludlow
Ludo (after the character in the movie "Labyrinth")
Ludwig
Luey
Luffy (after Monkey D. Luffy, character in the "One Piece" anime)
Lug
Lugh
Lugi
Lugosi (after 1940s Dracula actor "Bela Lugosi")
Luigi
Lujak (Named for Larry Lujack, a radio DJ in Chicago)
Luka
Luke
Luke Skywalker
Lukie
Lukin (after Matt Lukin, bassist)
Lukmee
Lukrets
Luky
Lula
Lulie Julie
Lullaby
Lulu
Lulubell
Lum
Lump Of Fluff
Lumps
Lumpy
Lumumba (after the hot drink with cocoa and cognac or brandy)