Christian Wargo (born September 22, 1976) is an American musician, singer and songwriter, best known as a member of Fleet Foxes, Poor Moon and Crystal Skulls.

[3] In 2004, he formed Crystal Skulls in Seattle with a lineup comprising drummer Casey Foubert and bass guitarist Yuuki Matthews.

They released two albums through Suicide Squeeze [4] and toured the United States with Black Mountain and Helio Sequence.

[5] In 2014 Wargo revived Crystal Skulls with drummer Aaron Sperske (Father John Misty, Ariel Pink's Haunted Graffiti, Beachwood Sparks, Lilys), Todd Dahlhoff (Electric Guest, Devendra Banhart), George Holdcroft (Daniel Johnston), and Thomas Hunter (Portugal.

In 2015, Wargo toured as bassist for Nate Mendel of Foo Fighters in support of the album, If I Kill This Thing We're All Going to Eat for a Week, from his solo project, Lieutenant.