Ball was born at Boundary Park General Hospital, Oldham, Lancashire, on 28 January 1944, to May (née Savage) and Bob Harper. He attended High Crompton Secondary, Shaw, Oldham.
Ball went to work in a factory as a welder, where he also met his future partner, Thomas Derbyshire (Tommy Cannon).
Ball is one half of comedy duo Cannon and Ball, opposite his friend and colleague Tommy Cannon. The duo's primetime Saturday night television series The Cannon and Ball Show, was one of LWT's most successful series, with consistently high viewing ratings that lasted for twelve years. They starred in the film The Boys in Blue together in 1982 and guest starred in the Eric Sykes slapstick film, Mr H is Late in 1988. Other notable guest appearances were The Kenny Everett Show in 1982 and Shooting Stars in 1996.
Cannon and Ball competed in the fifth series of I'm a Celebrity...Get Me Out of Here!.
In 2011, Cannon and Ball were guest judges on one episode of ITV's Show Me the Funny'.
Ball is the creator of the BBC children's cartoon series Juniper Jungle, which aired in 1992.
Ball played Lenny in the BBC series Last of the Summer Wine from 2005 until 2008.
He played Mr. Turner (also known as Topsy Turner) in the ITV drama series Heartbeat from 2005-2006.
Ball starred in the 2009 comedy The Fattest Man in Britain playing Morris Morrissey.
Since 2009, Ball has played Frank in the long-running BBC One Sitcom Not Going Out, he first made a guest appearance in the 2009 and two further guest appearance in 2011 (Series 4) and 2012 (Series 5), but since became a recurring fixture from series 6 onwards appearing in roughly three episodes per series, he also was a main character in the 2015 Christmas special. He returned alongside the cast for the eighth series in 2017.
He has played Barry in the Sky1 sitcom series Mount Pleasant since 2011.
Ball has taken part in two episodes of BBC One's Pointless Celebrities, the first in 2012 with Tommy Cannon. The second time, he appeared in the show was for a Children in Need special in November 2013 with Lee Mack.
In 2013, Ball played the role of Duckers in the ITV sitcom pilot The Security Men, starring alongside the likes of Brendan O'Carroll and Paddy McGuiness. The episode, written by Caroline Aherne and Jeff Pope, was later not picked up for a full series. Cannon and Ball will appear in ITV's Last Laugh in Vegas in 2018.
Cannon and Ball previously starred in the Safestyle UK television advertisements.
Ball married his first wife, Joan Lynn, in 1964, with whom he had two sons, Robert (born 1965) and Darren (born 1969), who are now a comedy double act in their own right, performing under their surname 'Harper'. Ball and Lynn separated in 1970. Ball married his second wife, Yvonne Nugent, in 1974 (although some reports say 1971). In an interview with Bob Fischer on BBC Tees on Tuesday 28 June 2016, Bobby said that he met Yvonne while performing with Tommy Cannon in The Fiesta Club in Norton, Stockton-On-Tees. He told Bob "we were playing there and she was a 'Fiesta Fawn,' she came downstairs in a little mini skirt, looked at me and Tommy, shook her head and walked away. I thought - I'd spend my life with her..." Ball and Nugent live in Lytham St. Annes, Lancashire.
Ball became a born-again Christian in 1986, as did Cannon in 1992, with their conversion having a lot to do with the re-kindling of their broken friendship. Together, they published a book called Christianity for Beginners. They now regularly feature in their own gospel and "An audience with..." show in churches around the country.Television