In 1928 Mickey Mouse was invented by Walt Disney. Mickey Mouse was first shown in the cartoon Steamboat Willie. Its also the most recognized cartoon character. He appeared in the worlds first sound film. Walt Disney played the character voice as well.
On November 1928 Steamboat Willie was the first time that Minnie Mouse had ever made an appearance, she was shown in New York Colony Theater. This also marked the day of the very first Mickey mouse cartoon.