Jeff Mangum (born October 24, 1970) is an American singer, songwriter, and multi-instrumentalist, best known for his work as the lyricist, vocalist and guitarist of the band Neutral Milk Hotel, as well as being one of the cofounders of The Elephant 6 Recording Company. He is best known for his complex, lyrically dense songwriting, apparent on the critically lauded album In the Aeroplane Over the Sea.