"Saturday Night Live" veteran Molly Shannon turns 48 today. Shannon rose to popularity during her stint on SNL from 1995-2001, becoming known for playing such characters as Mary Katherine Gallagher and Sally O'Malley. He also played Kathleen Day in NBC's "Kath & Kim" in 2008-09 and is the voice of Tina Hellman on the TBS animated show "Neighbors from Hell."