A writer needs to do their own research. Here is a name generator website if you want a couple of ideas to get started.
They are called 'maneki neko.'
Neko.
Neko is the japanese word for cat or "kitty".
neko, in Japanese means cat. neko's would be plural so cats. and the last time i checked cats have names ^-^ that depends on what the cat looks like. if its a tabby with stripes: Tora may be a good name, TORA, in Japanese means Tiger. Or you could call it a YAJUU (not recommended because that means BEAST) Maybe ISAGO might work for you, that means SAND. listen im only trying to help... Michael is the name of a famous Japanese cat. See the link below.
Yamido
猫少女 which means "neko shôjo" or catgirl.
The lucky Chinese cat is called Maneki Neko in Japanese.
Guin
Here is a link to a name generating website.
Neko Parham's birth name is Marty Neko Perez Parham.
Hiroshi Neko's birth name is Kuniaki Takizaki.
The last name Monton has no meaning in Japanese. But if you're asking how to spell it in Japanese writing, it would be モントン