Question: Tommy Cannon (born Thomas Derbyshire, 27 June 1938) and which English comedian, actor and singer, known collectively as Cannon and Ball, are an English comedy double act best known for their comedy variety show "?The Cannon and Ball Show", which lasted for nine years on ITV?
Context: Fry and Laurie are an English comedy double act, mostly active in the 1980s and 1990s.  The duo consisted of Stephen Fry and Hugh Laurie, who met in 1980 through mutual friend Emma Thompson whilst all three attended the University of Cambridge.  They initially gained prominence in a television sketch comedy, "A Bit of Fry & Laurie" (1987, 1989–1995), and have collaborated on numerous other projects including, most notably, the television series "Jeeves and Wooster" (1990–1993) in which they portrayed P. G. Wodehouse's literary characters Jeeves (Fry) and Wooster (Laurie). Bennet Evan "Ben" Miller (born 24 February 1966) is an English comedian, actor and director.  He is best known as one half of comedy double act Armstrong and Miller, with Alexander Armstrong.  Miller and Armstrong wrote and starred in the Channel 4 sketch show "Armstrong and Miller", as well as the BBC sketch show "The Armstrong & Miller Show".  Miller is also known for playing the lead role of DI Richard Poole in the first 2 series of the BBC Crime Drama "Death in Paradise". The Cannon and Ball Show was a successful comedy variety show on ITV featuring the double act comprising Bobby Ball and Tommy Cannon. Tommy Cannon (born Thomas Derbyshire, 27 June 1938) and Bobby Ball (born Robert Harper, 28 January 1944), known collectively as Cannon and Ball, are an English comedy double act best known for their comedy variety show "The Cannon and Ball Show", which lasted for nine years on ITV.  The duo met in the early 1960s while working as welders in Oldham, Lancashire.  They started out as singers working the pubs and clubs of Greater Manchester and switched to comedy after being told comics earned an extra £3 a night. Thomas Derbyshire, known professionally as Tommy Cannon (born 27 June 1938), is an English comedian and singer.  He is best knows as the straight man of comedy double act Cannon and Ball, along with Bobby Ball.  He is most well known for the show "The Cannon and Ball Show". Inel Tomlinson is a TV personality and stand-up comedian from London, best known for being one half of Johnny and Inel, the UK's first black comedy double act.  As part of Johnny and Inel, the duo are well known on Kids TV for their hit CBBC TV comedy show 'The Johnny & Inel Show' and Junior Vets on Call.  In 2015, the pair joined the Fubar Radio team and took over the airwaves with their Thursday afternoon 'Live & Loud' show.  After a successful year at Fubar Radio, the duo were invited to join the all-new Virgin Radio UK lineup in a prime Friday night 7pm-11pm slot. Cannon and Ball's Casino (also known as "Casino") was a short-lived variety programme hosted by the veteran comedy team of Tommy Cannon and Bobby Ball.  It was described as part comedy-show, part game-show and aired on Saturday evening at 6.10 pm.  The guests were entertainers such as Mike Osman, Gilbert O'Sullivan, Roxette and Big Country. Robert Harper, known professionally as Bobby Ball (born 28 January 1944), is an English comedian, actor and singer.  He is best known as one half of the double act Cannon and Ball, with Tommy Cannon.  They hosted their own ITV show "The Cannon and Ball Show" for nine years between 1979 and 1988.  Ball has since gone on to star in various sitcoms and dramas including "Last of the Summer Wine", "Heartbeat" and "Not Going Out". Mike Winters, born Michael Weinstein (15 November 1926 – 24 August 2013), was an English comedian, musician, businessman and writer who was the straight man of the comedy double act Mike & Bernie Winters with his younger brother, Bernie. Mel Giedroyc (born 15 June 1968) and Sue Perkins (born 22 September 1969), known collectively as Mel and Sue, are an English comedy double act best known for hosting the BAFTA Award-winning BBC One cookery series "The Great British Bake Off".  Previously they hosted their lunchtime chat shows "Light Lunch" and "Late Lunch" on Channel 4.
Answer: Bobby Ball