Jónsi
 Jón Jónsi Þór Birgisson (pronounced [ˈjouːn ˈθouːr ˈpɪrkɪsɔn ˈjounsɪ] ) (born April 23 1975) is the guitarist and vocalist for the Icelandic post-rock band Sigur Rós. He is known for his use of a cello bow on guitar and his countertenor voice. He is also blind in his right eye from birth as a cause of a broken optic nerve from the brain. He is openly gay. Apart from Sigur Rós Jónsi also performs together with his partner Alex Somers as an art collaboration called Jónsi & Alex.