David Eric Grohl is an American musician, singer, songwriter, record producer, and film director. He was the longest-serving drummer for the grunge band Nirvana and is the founder, frontman, lead vocalist, rhythm guitarist, lead guitarist, and primary songwriter of the rock band Foo Fighters. He is also the drummer and co-founder of the rock supergroup Them Crooked Vultures, and wrote the music and performed all the instruments for his short-lived side projects Late! and Probot.