Marion Ross

Marion Ross (born October 25, 1928; Watertown, Minnesota) is an American actress best known for her role as Marion Cunningham on the TV series Happy Days (co-starring Ted McGinley) from 1974 to 1984. She is the mother of Jim Meskimen.

Jim Meskimen

 * Mrs. Trowburg

Scooby-Doo! Mystery Incorporated

 * Grandma Moonbeam