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
Entropy (Buffy the Vampire Slayer) Entropy (Buffy the Vampire Slayer) "Entropy" is the 18th episode of season 6 of the television series "Buffy the Vampire Slayer". The Trio, riding ATVs, pursue two vampires through a cemetery; one of them throws a tree branch at Andrew, causing him to fall off and the others to crash. The vampires encounter Buffy and they fight. One vampire drops the mysterious disk that the Trio were after; Warren snatches it and the Trio escapes, unseen by the Slayer. As Buffy fights, Spike seizes one of the vampires and offers to stake him, provided that Buffy agrees to tell the