Alyson Hannigan Alyson Hannigan Alyson Lee Hannigan (born March 24, 1974) is an American actress and television presenter. She is best known for her roles as Willow Rosenberg on the television series "Buffy the Vampire Slayer" (1997–2003), Lily Aldrin on the sitcom "How I Met Your Mother" (2005–2014), and Michelle Flaherty in the "American Pie" film series (1999–2012). Hannigan was born in Washington, D.C., the only child of Emilie (Posner) Haas, a real estate agent, and Alan Hannigan, a Teamsters trucker. Her father is of Irish ancestry and her mother is Jewish. At age four, Hannigan began appearing in commercials. She moved
Surprise (Buffy the Vampire Slayer) the Judge, also played Luke in "Welcome to the Hellmouth". Both episodes were two-parters in which his character died in the second part. "Surprise" was the final episode to air on Monday nights on The WB. Together with "Innocence," the show transitioned from Mondays to Tuesdays as a lead-in for The WB's then newest debuting series "Dawson's Creek". Both "Buffy" and "Dawson's Creek" would go on to become two of the network's signature series. Surprise (Buffy the Vampire Slayer) "Surprise" is episode 13 of season two of the television series "Buffy the Vampire Slayer". It was written by Marti Noxon