Pluto is a fictional character made famous in a series of Disney short features. Pluto has most usually appeared as Mickey Mouse's pet dog, although he has also been Donald Duck's pet, and occasionally as Goofy's (who, notably, is also a dog). Pluto is unusual for a Disney character in that he is not anthropomorphized beyond showing an unusually broad range of facial expressions; he is actually represented with the characteristics of his species.
In Pluto's own cartoons his friends included Fifi the Peke, Dinah the Dauchsund, and Ronnie the St. Bernard Puppy. His enemies included Butch the Bulldog, Figaro the Kitten, Chip N Dale, Buzz the Bee, and other characters.
Disney Studios successfully forced Paramount Pictures to change the name of Olive Oyl's eager suitor in the Popeye cartoons from Bluto to Brutus on the grounds that he might be confused with Pluto, although the characters are nothing alike.
In Disney's 1942 animated feature Pluto Junior, Pluto has a son who is simply referred to as "Pluto Junior".