Ellen Albertini Dow
Ellen Rose Albertini Dow (November 16, 1913 – May 4, 2015) was an American film and television character actress and drama coach. She portrayed feisty old ladies and may be best known as the rapping grandmother Rosie in The Wedding Singer (1998), performing "Rappers Delight". Dow's other film roles include elderly lady Mary Cleary who "outs" her grandson in Wedding Crashers, Disco Dottie in 54, the recipient of Christopher Lloyd's character's slapstick in Radioland Murders and a choir nun in Sister Act. She was best known to small screen audiences for her guest appearances on sitcom The Golden Girls.
Description above from the Wikipedia article Ellen Albertini Dow,licensed under CC-BY-SA, full list of contributors on Wikipedia.
Acting
TV
Family Guy
as Elderly Woman (voice)
1999
TV
Family Guy
as Aunt Helen (voice)
1999
Movie
Wedding Crashers
as Grandma Mary Cleary
2005
Movie
Patch Adams
as Aggie
1998
Movie
Sister Act
as Choir Nun
1992
TV
Shameless
as The Real Aunt Ginger
2011
TV
American Dad!
as Helen Washburn (voice)
2005
TV
Seinfeld
as Momma
1989
Movie
Road Trip
as Barry's Grandma
2000
Movie
Sister Act 2: Back in the Habit
as Choir Nun
1993
Movie
The Wedding Singer
as Rosie
1998
TV
Star Trek: The Next Generation
as Felisa
1987
TV
New Girl
as Aunt Ruthie
2011
TV
The Nanny
as Wendell's Mother (uncredited)
1993
TV
Sabrina, the Teenage Witch
as Old Lady
1996
TV
My Name Is Earl
as Gertrude Balboa
2005
TV
Six Feet Under
as Roberta
2001
TV
The Wonder Years
as Mrs. Tambora
1988
TV
Ned's Declassified School Survival Guide
as Mrs. Knapp
2004
TV
ER
as Mrs. Riblet
1994
TV
Quantum Leap
as Grandma
1989
TV
Hannah Montana
as Kathrine McCord
2006
Movie
Memoirs of an Invisible Man
as Mrs. Coulson
1992
TV
Will & Grace
as Sylvia Walker
1998