Mim Twm Llai was a recording name of Welsh singer-songwriter and performer Gareth J Thomas from Bangor, Wales between 1997 and 2007 (Thomas' father was known as Mim Twm, a local variant of Meurig Thomas, and a neighbour started calling Thomas, Mim Twm Llai; ie Smaller Mim Twm). He now uses the name Gai Toms. Read more on Last.fm