Mickey Mouse (originally Mickey Mouse Sound Cartoons) is a character-based series of 130 animated short films produced by Walt Disney Animation Studios. The films, which introduced Disney's most famous cartoon character, were released on a regular basis from 1928 to 1953 with four additional shorts released between 1983 and 2013. The series is notable for its innovation with sound synchronization and character animation, and also introduced well-known characters such as Minnie Mouse, Pluto, and Goofy.