Well-known animals

I've met a few celebrities but none so fantastic as when I was a child and met Jason the Blue Peter cat!

Dougal, the dog on The Magic Roundabout.

Greyfriars Bobby

SORRY

Skippy the bush kangaroo

Zippy the bush kangaroo

Vienna, Rigsby’s cat on Rising Damp

Congo, chimp who produced 400 paintings in the ‘50s.

Wojtek - was a bear adopted by Polish troops and helped them carry ammunition at the Battle of Monte Cassino. He spent the last years of his life at Edinburgh Zoo and now has his very own statue in Princes St Gardens in Edinburgh.

Eccles ..Ken Barlows dog ?

Nipper, the HMV dog

Wellard, Robbie's dog on Eastenders?

Does Yogi Bear count?

And wasn’t Petra the first Blue Peter dog?

( And,to digress slightly, remember Daniel, the Blue Peter baby?)

Wasn’t Pickles the dog who found the World Cup?
There was also a gorilla called Lomie with Guy in London Zoo.

Little Willy, Ethel's dog on East enders

Elsa the lion.

Wellard, dog on Eastenders

An An, giant panda who wouldn’t mate with Chi Chi

Dougal the dog on the Magic Roundabout..

Freda the Blue Peter tortoise.

The OP says no fictitious animals, but if we are including them, that will give us much more scope.

Oh are we now including fictitious animals after all? In that case....

Old Yeller (dog)

Lonesome George (tortoise) found on the Galapagos

Finn the police dog, someone has just written a book about him.

Champion the Wonder horse

Trigger ( Roy Roger's horse)
Silver ( Lone Ranger's horse )
Scout ( Tonto's horse)