Step 1 : Introduction to the question "What classic 1980s TV character was an alien from the planet of Melmac?"
...ALF is an television sitcom that aired on NBC from 1986, to 1990. ALF (an acronym for Alien Life Form) is sarcastic alien from the planet Melmac who follows an amateur radio signal to Earth and crash-lands into the garage of the suburban middle-class Tanner family. The voice of ALF, Paul Fusco, also operated the ALF puppet—most of the time. ALF appeared on a number of other popular television shows, popping up on shows such as Matlock, Blossom, and Hollywood Squares, among others. On August 1, 2018, it was announced that Warner Bros. will produce an ALF Reboot.