Dr. J Jones & the Interns aka Aerosmith - In the late '70s, Aerosmith played some shows as Dr. J Jones & the Interns.
Sisi BakBak aka Thom Yorke - Radiohead's lead singer released some music under the name Sisi BakBak.
Bernard Shakey aka Neil Young - Young thought the pseudonym Bernard Shakey sounded better for a film director, so he went ahead and used it in his films.
The Holy S–––s aka Foo Fighters - Before releasing their studio album 'Sonic Highways,' Dave Grohl's band played a secret show under the name The Holy S–––s.
Iron Fist & the Hordes From Hell aka Motörhead - Speaking of Motörhead, they played under the name Iron Fist & the Hordes From Hell in the late '70s.
The Lash aka The Clash - 'House of the Ju Ju Queen' was the name of the single released by Janie Jones & The Lash.
Death Ramps aka Arctic Monkeys - The Death Ramps is an alias for the Arctic Monkeys. They have released a couple of tracks under this name.
Venison aka The Strokes - The Strokes once played an intimate gig in London under the name Venison.
Band of Joy aka Robert Plant - Band of Joy was originally formed by Led Zeppelin's Robert Plant in 1966. He revived the band's name in 2010 for a concert tour.
Bernard Webb aka Paul McCartney - Paul McCartney recorded a number of songs under the aliases The Country Hams, Percy Thrillington, and Bernard Webb.