Some Norwegian names for male cats
Warning: Some of these names are boys' names, but not
all of them. Use for cats only 
Adrian
Agaton
Aksel
Albert
Alfred
Amandus
Anton
Arne
Arngrim
Asbjørn
Atle
August
Axel
Balder
Bamse
Bernt
Birger
Blåmann ( Blue Boy )
Brand
Braute
Doffen
Edvard
Egil
Egon
Einar
Emil
Erlend
Espen
Even
Fafner
Fredrik
Frikk
Frode
Gangerolf ( Rollon )
Gaupus
Gråpus ( Grey Puss)
Gråtass
Gudbrand
Gustav
Guttorm
Harald
Hod
Hodne
Hugin
Hvitepus (White cat )
Håkon
Inge
Ivar
Jens
Johan
Jørgen
Karl
Kristian
Kvitpus
Kyrre
Laban
Lars
Ludvig
Lurifaks
Magnus
Martin
Mikkel
Mjødulf
Mons
Murre
Nils
Ole Brumm ( Winnie-the-Pooh )
Oskar
Petter
Pjusken
Raggen
Reidar
Rimfaxe ( Actually, a horse - from mythology.)
Rudolf
Rusken
Sigurd
Svarteper ( Black Pete )
Svein
Tarald
Thorgrim
Timotei
Torbjørn
Tordenskjold ( an 18th-century admiral )
Torfinn
Troll
Trond
Vetle