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
Oz (Buffy the Vampire Slayer) Oz (Buffy the Vampire Slayer) Daniel "Oz" Osbourne is a fictional character created by Joss Whedon for the television series "Buffy the Vampire Slayer". The character is portrayed by Seth Green. Green also portrays the character in one episode of the spin-off series "Angel". In "Buffy", Oz is portrayed as a taciturn, guitar-playing teen who becomes boyfriend to Willow (Alyson Hannigan), one of the show's main characters. After first appearing in the episode "Inca Mummy Girl", Oz discovers he is a werewolf in the episode "Phases" and becomes a recurring character throughout the second season. Green is elevated to main