Cousin of Bebe Daniels and DeForest Kelley.Shortly after David Letterman discovered him in a student movie, he went on to introduce Letterman's very first late-night TV talk show on NBC in February 1982. In this capacity he became best-known as Larry (Bud) Melman, Dave's fumbling sidekick who would frequently upstage Letterman himself.Calvert received an average of 200 fan letters and 2 dozen interview requests per week.Before getting his big break in television, DeForest worked as a file clerk at drug rehab center.The character name of "Larry 'Bud' Melman" was the intellectual property of NBC and could not be used when David Letterman's show moved to CBS.Calvert's uncle, Lee DeForest, invented the 3-element vacuum tube which helped usher in the age radio and television.The stage name of "Larry 'Bud' Melman" was the creation of David Letterman and his then-girlfriend Merrill Markoe.