Alyson Hannigan in a live action TV movie based on the Disney Channel cartoon "Kim Possible". Hannigan married her "Buffy the Vampire Slayer" and "Angel" co-star Alexis Denisof at Two Bunch Palms Resort in Desert Hot Springs, California, on October 11, 2003. The couple live in Encino, Los Angeles with their two daughters. 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
Buffy the Vampire Slayer describe the fictional universe in which "Buffy" and related stories take place. The franchise has inspired "Buffy" action figures and merchandise such as official "Buffy/Angel" magazines and "Buffy" companion books. Eden Studios has published a "Buffy" role-playing game, while Score Entertainment has released a "Buffy" Collectible Card Game. The storyline was continued in a series of comic books produced by Joss Whedon and published by Dark Horse Comics, which serve as a canonical continuation of the television series. The series, which began in 2007 with "Buffy the Vampire Slayer Season Eight", followed by "Buffy the Vampire Slayer Season Nine" in