Jacko
Jago
Jake
Jakob
James
Jamie
Janno
Janosch
Jaques
Jaros
Jasko
Jason
Jazek
Jedi
Jelo
Jeno
Jeremy
Jerry
Jesko
Jester
Jet
Jimbo
Jimmy/Jim
Johnny
Joker
Jokey
Joko
Jolly
Jonas
Joschi
Josef
Joshua
Juki
Julian
Julio
Junior
Justus

Jack
Jacko
Jacky
Janek
Janosch
Jargo
Jasso
Jesko
Jimmy
Jody
Joschi
Jirry
Jumbo
Jupp
Jury 

Kalle
Karlchen
Karlo
Karo
Kerry
King
Kleiner
Knöpfchen
Kobold
Komet 

Kalle
Kasimir
Kasper
Kayo
Kellogg
Kenny
Kenobi
Kenouk
Kentucky
Kermit
Kevin
Kimbo
Kimo
King
Kingo
Kiro
Kitaro
Kito
Kobold
Kodiak
Kojak
Kolibri
Kringel
Krümel
Kujo
Kyoto

Laiki
Laios
Landor
Lanusch
Larry
Larson
Lasko
Lauser
LeBeau
Leeroy
Lemmy
Lenny
Leno
Leo
Leon
Leontes
Leslie
Lester
Levi
Lino
Linus
Lobo
Lord
Lorenzo
Loriot
Lothar
Louis
Lukas
Lumpi
Lupus
Lykos
Lyschko

Lando
Larry
Lausbub
Lauser
Lex
Lobo
Lord
Loris
Loulou
Lucky
Lumpi
Lutz
Lux
Lümmel