Quick Answer

Mickey Mouse’s pet dog is named Pluto. 🐶

Who Is Pluto?

Pluto is Mickey Mouse’s loyal, non-anthropomorphic pet dog—a key character in the Disney universe since the early 1930s. Unlike other Disney characters who talk and walk upright, Pluto behaves like a real dog, using barks, growls, and expressive body language to communicate.

Key Facts About Pluto

  • First Appearance: 1930 in the cartoon The Chain Gang (initially nameless).
  • First Named “Pluto”: In the 1931 short The Moose Hunt , where he officially became Mickey’s pet.
  • Named by: Walt Disney himself.
  • Breed Inspiration: Often depicted as a bloodhound-type dog, though his exact breed is loosely defined.
  • Unique Trait: One of the few major Disney characters who doesn’t speak or walk on two legs, making him stand out in Mickey’s world.

A Bit of Fun History

Interestingly, Pluto wasn’t always Mickey’s dog. In some early appearances, he was even referred to as “Rover” and was briefly depicted as Minnie Mouse’s pet before settling into his role as Mickey’s faithful companion.

Pluto went on to star in his own series of animated shorts and became one of Disney’s “Sensational Six,” alongside Mickey, Minnie, Donald Duck, Daisy Duck, and Goofy.

Why the Name “Pluto”?

The name “Pluto” was likely inspired by the then-newly discovered dwarf planet (now classified as such), which was named in 1930—around the same time the character was introduced. This cosmic connection makes for a fun trivia tidbit: Mickey’s dog shares his name with a celestial body!

TL;DR: Mickey Mouse’s pet dog is Pluto , a lovable, non-talking canine who’s been by Mickey’s side since 1930 and officially named in 1931.

Information gathered from public forums or data available on the internet and portrayed here.