Gruffydd Maredudd Bowen Rhys (born 18 July 1970 in Haverfordwest) is a Welsh musician, performing solo and with several bands, including Super Furry Animals who obtained mainstream success in the 1990s. He also most recently formed the electro-pop outfit Neon Neon with Boom Bip. Their album Stainless Style was nominated for the 2008 Nationwide Mercury Prize. He won the 2011 Welsh Music Prize for his album Hotel Shampoo.
He was educated at Ysgol Dyffryn Ogwen, Bethesda, Gwynedd, North Wales and was awarded a degree in art at Manchester Metropolitan University.