Question: Which Coronation Street character was killed off by drowning, having played the father of Michelle Keegan's character for just over a year?

Context articles: Elsie Tanner
Ken Barlow
Dennis Tanner
Michelle Keegan
Joe McIntyre (Coronation Street)
The Road to Coronation Street
Tina McIntyre
Karl Munro
Sian Powers
Rob Donovan

Elsie Gregory (also Grimshaw, Tanner and Howard) is a fictional character from the British ITV soap opera, "Coronation Street", played by Pat Phoenix from the series inception in 1960 to 1973 and from 1976 until 1984.
 Elsie Tanner was one of the original core characters on "Coronation Street" and appeared in the very first episode.
 She is considered something of an icon in soap history and regarded as one of "Coronation Street's" greatest ever characters.
Kenneth "Ken" Barlow is a fictional character from the British ITV soap opera, "Coronation Street", played by William Roache.
 Ken was created by Tony Warren as one of "Coronation Street's" original characters.
 He debuted in the soap's first episode on 9 December 1960.
 Having appeared continuously since the programme's inception, December 2010 marked Ken's 50th anniversary on-screen.
 At this time, Roache officially became the longest-serving actor in a televised soap opera.
 Roache was honoured at the 2010 Guinness World Records ceremony for the achievement, when he surpassed actor Don Hastings from the American soap opera "As the World Turns", who previously held this title.
 Roache stated in 2010 that he has no plans to leave the role and will remain in "Coronation Street" for as long as they will have him.
Dennis Tanner is a fictional character from the British ITV soap opera, "Coronation Street", played by Philip Lowrie.
 The character was created by writer Tony Warren and was introduced in the very first episode on 9 December 1960.
 Lowrie remained in the role for just over a year before being written out unexpectedly in 1962 when a strike by the actor's union Equity prevented new contracts being signed.
 Although the strike ended a few months later, Lowrie chose not to return until a year later.
 After a further five years, Lowrie became frustrated with the material his character was getting and chose not to renew his contract.
 Dennis departed "Coronation Street" on 12 June 1968, shortly after marrying girlfriend Jenny Sutton.
Michelle Keegan (born 3 June 1987) is an English actress.
 Keegan is known for portraying Tina McIntyre in the ITV soap opera "Coronation Street" between 2008 and 2014.
 In 2015, Keegan played the role of Tracy in the BBC drama series "Ordinary Lies".
 In 2016 she began playing Corporal Georgie Lane in BBC hit drama series "Our Girl" taking over the lead role from "EastEnders" actress Lacey Turner.
 She was awarded FHM "Sexiest Woman in The World" in 2015.
Joseph "Joe" McIntyre is a fictional character from the British ITV soap opera, "Coronation Street".
 The character was portrayed by actor Reece Dinsdale.
 Joe was introduced as the father of Tina McIntyre (Michelle Keegan), and made his first appearing on-screen during the episode that aired in the UK on 26 May 2008.
 After Dinsdale quit the show in 2009, the character was killed-off in February 2010, when Joe tried to fake his own death in order to claim insurance money, but died in a boating accident when he was knocked overboard by the sail, and drowned in a lake.
"The Road to Coronation Street" was written by Daran Little, a long-time archivist on "Coronation Street" who became a scriptwriter.
 At the time, however, Little was a scriptwriter for "Coronation Street"' s rival, "EastEnders", broadcast on BBC One.
 Though "Coronation Street" is, and always has been, broadcast on ITV, a competing network, the idea of documenting the show on the anniversary of its half century running was picked up by its natural rival, the BBC.
 It has, however, been repeated several times on ITV3 and, on the occasion of Tony Warren's death, ITV.
Tina McIntyre is a fictional character from the British ITV soap opera "Coronation Street".
 Portrayed by Michelle Keegan, the character first appeared on-screen during the episode that was shown 7 January 2008.
 The character was central to many key storylines relating to issues such as perjury, abortion and surrogacy, and had relationships with David Platt (Jack P. Shepherd), Graeme Proctor (Craig Gazey), Tommy Duckworth (Chris Fountain), Dr. Matt Carter (Oliver Mellor) and Jason Grimshaw (Ryan Thomas), and had an affair with married man Peter Barlow (Chris Gascoyne).
 Tina has also had feuds with Kylie Platt (Paula Lane), Tracy Barlow (Kate Ford) and Kirsty Soames (Natalie Gumede).
Karl Munro is a fictional character from the British ITV soap opera, "Coronation Street", played by John Michie.
 Michie's casting was announced in April 2011.
 He signed an initial one-year contract and began filming his scenes in May.
 Upon joining the cast, Michie was told that producers would initially "bed [him] in", before increasing his involvement in the show in 2012.
 Michie is from Scotland, but because "Coronation Street" is set in Manchester, he uses a Mancunian accent for the role.
 Karl was introduced along with his girlfriend, Stella Price (Michelle Collins) and her daughter, Eva (Catherine Tyldesley).
 Karl made his first appearance in the episode broadcast on 17 June 2011.
 On 30 April 2013, it was announced that Michie would be leaving "Coronation Street".
 Karl departed during the episode broadcast on 13 September 2013.
Sian Powers is a fictional character from the British ITV soap opera, "Coronation Street", portrayed by Sacha Parkinson.
 Sian was introduced as a love interest for Sophie Webster (Brooke Vincent).
 Sian joined the cast of "Coronation Street" alongside Ben Richardson (Lucien Laviscount) in January 2009 as Sophie's schoolmates.
 They soon form a new group of teenagers along with Ryan Connor (Ben Thompson).
 Sian and girlfriend Sophie are "Coronation Street's" first lesbian couple.
 It was announced on 29 May 2011 that Parkinson had quit her role, and she made her last on screen appearance on 30 December 2011.
Robert Darren "Rob" Donovan is a fictional character from the British ITV soap opera, "Coronation Street", portrayed by Marc Baylis He was introduced as the brother of Carla Connor (Alison King).
 He made his first screen appearance during the episode broadcast on 9 July 2012.
 In June 2014 it was announced that Baylis would be leaving the role after two years after being involved in a storyline where Rob was responsible for murdering Tina McIntyre (Michelle Keegan).
 Rob departed on 5 November 2014.
 In August 2015 it was reported that Baylis would be reprising the role as Rob and he returned to filming in October for a short storyline.
 His return aired on 4 December 2015 and he departed a month later on 4 January 2016.
 He returned on 19 April 2017 and departed on 8 May 2017.