Playing among others Clarence Randy Watson and Saul what was the first movie in which Eddie Murphy played more than one character?

The first movie in which Eddie Murphy played more than one character is "Coming to America," released in 1988. In this comedy, he portrays Prince Akeem, along with several other characters, including the barbershop patrons Clarence, Randy Watson, and Saul. The film showcases Murphy's talent for comedy and character transformation, contributing to its popularity.