Paul Gustave Simonon (/ˈsɪmənən/; born 15 December 1955)[citation needed] is an English musician and artist best known as the bassist for the Clash.

More recent work includes his involvement in the supergroup the Good, the Bad & the Queen and playing on the Gorillaz album Plastic Beach in 2010, which saw Simonon reunite with The Clash guitarist Mick Jones and Blur frontman Damon Albarn – and which also led to Simonon becoming the live band's touring bassist for Gorillaz's Escape to Plastic Beach Tour.

featured bass played by Jones or Strummer, some but possibly not all of which Simonon later re-recorded once he rejoined the sessions after filming Ladies and Gentlemen, The Fabulous Stains.

Simonon's contrapuntal reggae/ska-influenced lines set him apart from the bulk of other punk rock bassists of the era in their complexity and the role of the bass guitar within the band.

88, as well as the cover for "Herculean" from the album The Good, the Bad & the Queen, a project with Damon Albarn on which Simonon plays bass.

He joined other Greenpeace activists in illegally boarding one of Cairn's oil rigs; an action which earned him two weeks in a Greenland jail.

The project arose out of Simonon's time writing music in Mallorca during the COVID-19 lockdown and subsequently busking in front of cafes in Palma.