East London Oi! and punk outfit formed in 1977.
Key members include: Jeff Turner - Vocals, Mick Geggus - Guitar and Nobby on Drums.
Tony Van Frater (bass player from 1999 - 2015) died in 2015.
They were famous for being staunch West Ham Utd fans and paying homage to their heroes with a punk-rendition of "I'm Forever Blowing Bubbles".
Other key releases include: "Flares and Slippers", "The Greatest Cockney Rip-Off" (a dig at Sham 69), "Bad Man" and "We Are The Firm".
Their first three albums were entitled "Greatest Hits" (volumes 1 to 3).