Larry Mondello is a fictional character from the iconic American television series Leave It to Beaver (1957–1963).

Larry is Theodore "Beaver" Cleaver's chubby, not very bright classmate and fair-weather best friend distinguished for his apple-eating, candy bar-munching habits.

Larry's mother, Margaret (portrayed by Madge Blake), is a nervous, exasperated parent, whose husband is so perennially out-of-town on business, the phrase "If your father were home .

According to some sources, actor Stevens left the show in 1960 when his family moved from Burbank, California, to Philadelphia, Pennsylvania.

However, according to Barbara Billingsley (in her TV Archive interview), his character was written out because of his overly ambitious stage mother causing grief with the producers.