Tony McPhee (born Anthony Charles McPhee, 23 March 1944, at Redlands House, near Humberston, Lincolnshire) is an English blues guitarist, and founder of The Groundhogs. The Groundhogs backed Champion Jack Dupree and John Lee Hooker on UK concerts in the mid-1960s, evolving into a blues-rock trio that produced three UK Top 10 hits in the UK Albums Chart in the early 1970s. McPhee has also released many solo acoustic blues records, as well as duets with Jo Ann Kelly. He is often credited as 'Tony (TS) McPhee'.
He was dubbed TS by the producer Mike Vernon in the mid-1960s. Apart from the Groundhogs, McPhee has played with Herbal Mixture, the John Dummer Band, Hapshash and the Coloured Coat, Tony McPhee's Terraplane, Tony McPhee's Turbo, the Tony McPhee Band and Current 93. In 2009 McPhee suffered a stroke which affected his speech and ability to sing. The definitive biography & discography of Tony McPhee was published in 2012. Eccentric Man: A Biography & Discography of Tony (TS) McPhee by Paul Freestone.