Charlie Callas
Charlie Callas was an American comedian and actor most commonly known for his work with Mel Brooks, Jerry Lewis, and Dean Martin and his many standup appearances on television talk shows in the 1970s. He was also known for his role as Malcolm Argos, the restaurant owner and former con man, on the Eddie Albert and Robert Wagner television series Switch.
Callas was born in Brooklyn, New York, as Charles Callias and served in the United States Army during World War II. He began his career as a drummer playing in groups with Bernie Cummins, Tommy Dorsey, Claude Thornhill, and Buddy Rich. He dropped a vowel from his legal name, Callias, when he took to the stage.
Source: Wikipedia