Over the course of the 1930s, Minnie's and Mickey's relationship solidified and they eventually became a steady couple. Minnie was first seen in a test screening of the cartoon short Plane Crazy.

What is Minnie and Mickey's relationship?

To clarify things, the two characters are not twins. While a lot of people were confused and initially thought that Mickey and Minnie are from the same family, they don's share the same bloodline. Mickey and Minnie are not siblings or twins because they are married as Walt Disney has explained in a previous interview.

Did Minnie cheat on Mickey?

In a 1930s Mickey Mouse comic, Minnie cheated on Mickey with another mouse. Mickey then tried to kill himself.