Zachary Knight Galifianakis is an American comedian and actor. He is known for his role as Alan in The Hangover trilogy (2009–2013). On television, he starred in the FX series Baskets (2016–2019), which he was nominated for the Primetime Emmy Award for Outstanding Lead Actor in a Comedy Series in 2017. He also hosted the Funny or Die talk show Between Two Ferns with Zach Galifianakis (2008–2018).
Zachary Knight Galifianakis was born in North Wilkesboro, North Carolina, on October 1, 1969, to community arts center director Mary Frances (née Cashion) and heating oil vendor Harry Galifianakis. His mother is of Scots-Irish descent, while his paternal grandparents were Greek immigrants from Crete. He was baptized in his father's Greek Orthodox faith.
He has a younger sister, Merritt, and an older brother, Greg. Their cousin is Washington Post cartoonist Nick Galifianakis, while their uncle, also named Nick Galifianakis, was a Durham attorney and politician.
He attended Wilkes Central High School, Wilkes Community College and subsequently attended North Carolina State University, where he majored in communications. While in college, Galifianakis worked at a public access station. He taught a waltz class in 1991 and crossed paths with Mary J. Blige there.