Radiohead is an English rock band from Abingdon, Oxfordshire consisting of lead vocalist Thom Yorke (born October 7, 1968), lead guitarist Jonny Greenwood (born November 5, 1971), lead bassist and Jonny Greenwood's older brother Colin Greenwood (born June 26, 1969), lead drummer Philip Selway (born May 23, 1967) and guitarist Ed O'Brien (born April 15, 1968). They appeared on Saturday Night Live as the musical guest twice. The first time was on October 14, 2000, the second episode of Season 26, hosted by actress Kate Hudson, where they performed "The National Anthem" and "Idioteque". They returned to Saturday Night Live as the musical guest for the second time was on September 24, 2011, which is the Season 36 premiere, hosted by actor and comedian Alec Baldwin, where they performed "Lotus Flower" and "Staircase".

Fred Armisen as Thom Yorke on the December 17, 2011 episode.
Thom Yorke was also impersonated by Fred Armisen on the December 17, 2011 episode during the "Michael Bublé Christmas Duets" sketch.