Oh yeah, I've heard of Tiger the poodle
And looks like these days he has a dog called Buster... looking like this (from Ringo's website):
This one's called "his favourite website"
I'm not sure what kind of do it is... anyone a doggie expert?
And apparently Buster gets a mention in English Garden (from Ringo Rama)... "Barbara, Buster and me in our English garden"
(unfortunately I still don't have that album... but I think I found a place that sells it