Born: December 12, 1965
Nationality: United States of America
Occupation: actor,singer,singer-songwriter,guitarist,film actor
Biography: Joseph Donald Mascis Jr. (; born December 10, 1965) is an American musician, best known as the singer, guitarist and main songwriter for the alternative rock band Dinosaur Jr. He has also released several albums as a solo artist and played drums and guitar on other projects. His most recent solo album, Elastic Days, was released in November 2018. He was ranked number 86 in a Rolling Stone list of the "100 Greatest Guitarists", and number 5 in a similar list for Spin magazine in 2012.