Search: bimbo the dog
Why: One of the ads at the bottom of my screen says:
Betty Boop came into existence on August 9, 1930. She was supposed to be the girlfriend of Bimbo the dog, as competition for Disney’s Mickey Mouse, and both characters were originally dogs with human characteristics. However, Bimbo was forgotten in the wake of Betty’s growing popularity.Answer: Here he is with dog-faced Betty in Mysterious Mose:
and a later version:
Source: Google Images
The More You Know: Bimbo remained Betty's boyfriend despite the fact that he remained a dog throughout his career. Her little dog Pudgy was introduced in 1931.