Len Lesser, an actor best known to audiences as Uncle Leo on "Seinfeld," has died, reports the Los Angeles Times. He was 88 and had pneumonia and cancer.
Lesser described his character Leo as "the kind of guy who is a total nuisance at times and the kind of guy you avoid," the story notes. He established the character with his trademark greeting, "Hello!"
According to CNN.com, Lesser appeared in more than 500 film, television and stage productions, with his television roles ranging from "Studio One in Hollywood" in 1949 to a role on "Castle" in 2009, the story notes. He also had a recurring role as Garvin on "Everybody Loves Raymond," and made appearances on such hit TV shows as "ER," "thirtysomething," "Kojak," "The Bob Newhart Show," "Get Smart" and "The Untouchables," the story says.