Mortimer Mouse

Mortimer Mouse is a fictional character created by Floyd Gottfredson for The Walt Disney Company. He is Minnie Mouse's ranch-owning cattleman uncle. He first appeared in the comic strip Mickey Mouse in Death Valley (1930). After that, he appeared in many Mickey Mouse comic strip adventures in the early 1930s. He is named after the original name Disney gave Mickey. "Mortimer" had been Walt Disney's original name for Mickey before his wife Lillian convinced him to change it. Another character named Mortimer Mouse, Mickey's competition for Minnie's affections, was introduced in the 1936 cartoon short Mickey's Rival. In the comics, this Mortimer was briefly renamed Montmorency (Monty) Rodent (pronounced "Ro-Dawn"), in an attempt to differentiate him from the pre-existing uncle, but the new name didn't stick. Mickey's rival was once again called Mortimer in later comics -- and in the animated series Mickey MouseWorks and House of Mouse, where he is known for his catchphrase, "Ha-cha-cha!... full article at wikipedia