If and when I find them in my house, they are not.
Which brings up an interesting point. Exactly why are there so many cartoon mice? Maybe because Mickey is the template?
The most frequent 'funny animals' are Mice,Ducks, Rabbits and Bears. Dogs are mostly extras and villains in Disney cartoons. Cats are rogues, con artists [Top Cat] and villains in cartoons as are Skunks, Wolves and Stoats. Chipmunks are cute. Then we also have Woodpeckers, alligators, Possums and Penguins. An occasional Platypus or Kangaroo.
But, you'd rather find mice in your house than rats, I'd wager....... or than badgers, raccoons, skunks, ferrets, and the like! We had an adult moose in our backyard, which ruined our garden, when I was young. A few months ago, a raccoon ran down my sister's street in Los Angeles. The had an opossum living in a tree in their backyard. A friend of mine in Winnipeg took in a raccoon, and tried to make a pet of it. It ended up tearing up his furniture. We had a fruit bat spending its days for about 3 months, hanging from an upper window of the high-ceilinged kitchen of my business partner's cartooning studio in Munich.
But, .... back to the topic: The comic book industry was one of the most copy-cattish industries, especially early in its history, probably because the running out of the backlog of the newspaper comic strips' pages that had not yet been compiled into comic book format, bringing up a need for thousands of pages of new material for the comic book publishers to print. And there was little time to use to come up with totally new story ideas and interesting characters. So, based on Superman's success, and the success of animated cartoons, and western and romance films, comics publishers story writers were forced to copy the styles of the most successful creators in each genre, resulting in tonnes of character clones, including lots of mice.
Cute mice like Mickey(MGM's Jerry and Tuffy Mouse, Paul Terry's Little Roquefort, Quality's Marmaduke Mouse, Avon's Merry Mouse, Orbit's Merton Mouse), even superhero mice like Super Mouse and Atomic Mouse (clones of Mighty Mouse) were invented. Because of Bugs Bunny's success, rabbits abounded - both cute little bunnies like Standard's Buster Bunny, Star's Bodkins Bunny, Avon's Peter Rabbit, Key Publications' Peter Cottontail, and King Rabbit, and his nephews; and wisecracker/trickster rabbits like Harvey's Rags Rabbit(and his nephews, Pesty& Jesty, DC's Bo Bunny, and Ajax's Billy Bunny, Charlton's Funny Bunny, EC's Dandy Rabbit, ACG's and Funny Films' Blunder Bunny(failed inventor), Disney's Bre'r Rabbit, and Dell's Uncle Wiggily. There were also superhero Rabbits (Super Rabbit and Hoppy The Marvel Bunny.
Because of Porky Pig's success, funny pigs were in fashion early, like Hillman's/Punch & Judy's Fatsy McPig, Charlton's Pudgy Pig, Timely's Ziggy Pig, Timely also had a Pudgy Pig, DC's Peter Porkchops, Standard's Peter Pig, ACG's and Ken Hultgren's Judge Pupple, Disney's The 3 Little Pigs. The Sangor Studio used probably over 100 differently-named generic pigs just for Creston/ACG and Nedor/Standard comics, alone.
Naturally, cats, foxes, and wolves were used for most of the villains, as they are the animals in real life that eat the smaller, cute mammals. But there were also silly Foxes as foils for smart would-be prey animals, like Foxy in DC's "Fox and Crow", and Dearfield's Foxy Fagan, and ACG's Filbert Fox. ACG had too many foxes with that same character to name. ACG's Wacky Wolf was a similar character, as was Standard's Wally Wolf.
Disney's success with Donald Duck, probably led to Warner Brothers' Daffy Duck, which led to Super Duck (especially in his volatile, angry, suburban resident, caretaker of his young nephew, non-superhero existence after his first 10 comics appearances). Jack Bradbury's Dizzy Duck was also probably patterned after Donald, as were Timely's Dopey, Wacky, and Buck Duck. And Standard's "Drakestone The Magician" had Daffy Duck's exact physical features and colouring (an identical clone), and also, the craziest/zaniest aspects of his psychological character traits. Frank Frazetta's and Jack Bradbury's Hucky Duck, looked a lot like Donald, and was a cross between him and Huckleberry Finn. All of Gil Turner's single-use ducks for ACG
's Giggle and Ha Ha Comics look somewhat like Donald. Jack Grothkopf's Chuck Duck for Fawcett's Funny Animals looks a lot like him, as well. Then there was Wacky Quack Duck, a fireman in Jamboree Comics, and
Quick-Quack Duck, a friend of Hoppy, The Marvel Bunny in Fawcett's later Funny Animals stories, Doc Duck (featherbrain) in Key Publications' "Peter Cottentail", Sangor's and Ken Hultgren's Doc Quack, Orbit's and ToyTown Comics' Wordless Waddles, ACG's Jerome Duck, sidekick to Hector The Specter, and Walter Lantz's Davey Duck, one of Charlie Chicken's regular buddies in his 1950s solo stories away from Andy Panda.