Don Most appeared as Ralph Malph on Happy Days for 11 seasons! Afterwards, he acted in a lot of guest spots on shows like Baywatch, Emergency!, and CHiPs. Don can be seen and heard most recently on shows such as Diagnosis Murder and Glee, as well as voice acting on Teen Wolf and Family Guy. Most lives in California with his actress wife Morgan, and two daughters.

Little known fact: Don Most went to the same high school as Barbra Streisand.