can you post a picture of him?
I like to see what name pops into my head.

one of our dogs was called "pup" for yrs LOL until we got the next puppy , but her real name was Zee on her dog lic.

some of the names of family dogs over the years-
Boo Boo
Rascal
Sparkie
Zee
Brandy
Snoopy
Ike
Whiskey
Lucky

oh I found this - dog names links-

.