"SNL," 1995-2001: Shannon was the Kristen Wiig of the '90s. She did a seemingly endless number of impressions and her popular character Mary Katherine Gallagher even spawned the movie "Superstar."
In recent years, Molly starred in the canceled show "Kath & Kim" and appeared on "Pushing Daises" and "Glee," as well as movies such as "Casa de mi Padre," "The Five-Year Engagement" and "Scary Movie 5." —XFINITY Entertainment Staff (Photo by Kevin Winter/Getty Images)
The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.