Neko ni Tensei Shita Ojisan - Ch. 549.5 - Mitarashi-chan's Nickname Timeline

[MangaDex]

 

[EchoGirl]

Surprised Miimii wasn't a variant lol

 

[deunuts]

Valid thought process, my cats all have about 800 names derived from their original

 

[Weenaru]

Next up is Chomusuke.