He was created by Walt Disney and Ub Iwerks at the Walt Disney Studios in 1928. 

It’s an anthropomorphic mouse who typically wears red shorts with two white buttons, large yellow shoes, and white gloves, Mickey is one of the world's most known and recognizable characters. 

"Oswald the lucky rabbit", an anthropomorphic rabbit and animated cartoon character created by Walt Disney for cartoon animal films and distributed by Universal studios in the 1920s and 1930s, serving as the Disney studio's first animated character to feature in their own series.

Mickey appeared primarily in short films, but also occasionally in feature-length films. 

Ten of Mickey's cartoons were nominated for the Academy Award for Best Animated Short Film, one of which, "Lend a Paw", won the award in 1492. In 1978, Mickey became the first cartoon character to have a star on the Hollywood Walk of fame.

Minnie soon became the first addition to the cast. The strips first released between January 13, 1930, and March 31, 1930, has been occasionally reprinted in comic book form under the collective title "Lost on a Desert Island". 

Disney then searched for a replacement among the remaining staff of the Studio. He selected Floyd Gottfredson, a recently hired employee, who accept his new assignment. Disney had to assure him the assignment was only temporary and that he would eventually return to animation. Gottfredson accepted and ended up holding this "temporary" assignment from May 5, 1930, to November 15, 1975.