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
Watcher (Buffy the Vampire Slayer) Watcher (Buffy the Vampire Slayer) In the fictional Buffyverse established by the television series "Buffy the Vampire Slayer" and "Angel", a Watcher is a member of a secret organization, the Watchers' Council, which seeks to prepare the Slayer to fight demonic forces. A notable example of a Watcher is "Buffy" main character Rupert Giles. Watchers are devoted to tracking and combating malevolent supernatural entities (particularly vampires), primarily by locating individuals with the talents required to fight such beings and win. More specifically, Watchers are assigned to Slayers, girls that are part of a succession of mystically powered individuals who are