I was going to say Charley Rance - but she's not fictional.
I agree with Zooo though. Droopy was the first one who came to mind.
Favourite 'Fictional' Dog Page 2
Quote: Leevil @ September 13, 2007, 7:35 PM
What is that a picture of? cos I can't see it. 
Me either. It's Droopy though.
Well yes. But a droopy what.
Leevil's droopy cock?
Mutley
Hooch from 'Turner and Hooch'
But Hooch was real!
Today my t-shirt reads "I wanna be your dog"........
Am more than happy with Molly International Superstar. She may be spoilt, hogs the bed, and insists on fresh chicken for dinner but her ears get me every time.
Ambrosius from Labyrinth
I love that film-even if its a bit peverted
I am obessed with that film! Dance magic dance!
Do you mean the Bowie film?
Oh yes.
"Just let me rule you..................I will be your slave"
Drool in a creepy way!