The original line-up included vocalist Carl Puttnam, guitarist/keyboardist Mike Dunphy, bassist William Potter and drummer Steve Goodwin.

Following three albums (one of which Elvis Belt was a compilation of previously released singles) on Imaginary the band signed with A&M Records in 1991.

The band reformed in 2006 to support the release of a greatest hits album with Felix Frey replacing Dunphy on guitar.

When guitarist Mike Dunphy later rejoined, drummer Steve Goodwin decided to stop touring and was replaced by Gogs Byrn.

After building up a strong local fan base, they were signed by Imaginary Records in 1989, who released their albums, When in Rome, Kill Me and Leggy Mambo.

Puttnam was accompanied by Alaric Neville and David Lazenby on guitars and Michael Hurst on melodeon and percussion.

To commemorate the event, a limited-edition CD single was sold, which was supposed to feature a new recording of "Punishment-Reward Relationship", along with live versions of "Now!

Cud reformed again (with Puttnam, Goodwin, Potter & Frey once again) for two gigs during March 2010, held at the Hootananny Club in London.

In 2013, Steve Lamacq premiered Cud's first new single in 17 years; a double-A side titled "Louise" / "Mexico".

That year Puttnam and Dunphy, performing 'alternative' versions of Cud songs under the name 'Carefree Sud' played a series of shows including the Beautiful Days festival.

The set list for these shows was determined by a Facebook poll where followers were asked to vote for their ten favourite live CUD songs.