American Dog was a canceled CGI animated film written and directed by Chris Sanders

Disney interfered in the movie, and Sanders dropped it. Disney remade it into Bolt! 

In the original concept, the dog would run into a giant, radioactive rabbit (named Mr. Buttons in the filename of a piece of concept art) and a cat with an eyepatch (named Spig in a piece of concept art) who had access to a classic car. He would con them into helping him get back home all the while learning how to interact with normal people and live without being served on hand and foot. John Travolta, Thomas Haden Chruch, and Mario Cantone were rumored to be the voices for the trio. According to animator Daniel Chong, the cat and rabbit would have lived in a gas station where they kept retirement savings in a giant dinosaur statue.

Yes, this is Ogo, from Kisakaloo. Not many know him, just us lucky few. Well, if you love Stitch, that is

I think this is only the 2nd time I've ever come across a Calliope! Probably no one under 40 even knows what those were

https://lostmediawiki.com/American_Dog_(partially_found_original_version_of_%22Bolt%22_Disney_animated_film;_2007-2008)#google_vignette