Question: What is the nickname of the driver who was replaced by Jenson Button and Kevin Magnussen?

Context paragraphs:
BAR 007: The BAR 007 was a Formula One car used by British American Racing in the 2005 Formula One season.  The car was driven by Jenson Button and Takuma Sato, although Sato was replaced by Anthony Davidson for the Malaysian Grand Prix as he had the flu.  The team's test driver was Enrique Bernoldi along with Davidson.

Tooned: Tooned is an animated cartoon by McLaren starring Jenson Button, Fernando Alonso and comedian Alexander Armstrong; and formerly, Lewis Hamilton, Kevin Magnussen and Sergio Pérez.  It was aired on Sky Sports F1 before the start of each Formula One race.  The first season, which starred former McLaren driver Lewis Hamilton aired from the 2012 British Grand Prix onwards.  The second season aired from the 2013 British Grand Prix onwards.  All episodes can be watched on McLaren's YouTube channel and the Sky Sports F1 website any time after the premiere.  The episodes are a little more than 3 minutes long.  On 16 May 2014 it was announced on McLaren's YouTube channel that a season 3 was in progress.  It was announced when Jenson Button was shown a picture of his 2014 team mate Kevin Magnussen's character on "Tooned" and also added that 'the production of Season 3 was going well'.  It was announced by McLaren on 19 October 2016 that "Tooned" would be making a return, featuring Fernando Alonso and Stoffel Vandoorne (and possibly Button).

Sergio Pérez: Sergio Pérez Mendoza (    ; born 26 January 1990) also known as "Checo" Pérez, is a Mexican racing driver, currently driving for Force India.

Kevin Magnussen: Kevin Jan Magnussen (born 5 October 1992) is a Danish racing driver, currently driving for the Haas F1 Team.  The son of four-time Le Mans GT class winner, GM factory driver and former Formula One driver Jan Magnussen, Kevin Magnussen came up through McLaren Formula One team's Young Driver Programme and drove for McLaren in the 2014 Formula One World Championship.

John Button (racing driver): John Button (27 July 1943 – 12 January 2014) was an English rallycross driver and the father of 2009 Formula One World Champion Jenson Button.  His best overall results were both in 1976, as the runner-up in the Embassy/RAC-MSA British Rallycross and TEAC/Lydden Rallycross championships.

McLaren MP4-31: The McLaren MP4-31 was a Formula One racing car designed by McLaren to compete in the 2016 Formula One season.  The car was driven by and World Drivers' Champion Fernando Alonso and World Champion Jenson Button, and reserve driver Stoffel Vandoorne, who replaced Alonso at the Bahrain Grand Prix following the Spaniard's accident at the Australian Grand Prix which deemed him unfit for the next event.  The car used the Honda RA616H power unit, the second engine developed by Honda since their return to the sport with McLaren in 2015.

Aluizio Coelho: Aluizio Coelho (born August 21, 1974 in Rio de Janeiro, Brazil) is a racing driver.  He was British Formula Renault champion during the 1998 British Formula Renault season, and progressed into British Formula 3 in 1999 with the Promatecme UK team with future Formula One champion Jenson Button as his teammate.  He competed in all rounds, finishing 9th in the championship on 45 points, but that was only just over a quarter of Button's impressive tally of 168.  Since then, he has returned to his native Brazil, competing in the SudAm F3 and GT3 Brazil with limited success.

McLaren MP4-29: The McLaren MP4-29 is a Formula One racing car designed by Tim Goss for McLaren to compete in the 2014 Formula One season.  The car was unveiled on 24 January 2014, and was driven by World Drivers' Champion Jenson Button and debutant Kevin Magnussen, who replaced Sergio Pérez, after he won the 2013 Formula Renault 3.5 Series title.  The MP4-29 was designed to use Mercedes' new 1.6-litre V6 turbocharged engine, the PU106A Hybrid.

McLaren MP4-30: The McLaren MP4-30 was a Formula One racing car designed by Tim Goss and Neil Oatley for McLaren to compete in the 2015 Formula One season.  The car was driven by and World Drivers' Champion Fernando Alonso, who returned to McLaren eight years after he last drove for the team and World Champion Jenson Button.  Kevin Magnussen, who drove for the team in , temporarily stood in for Alonso after a test accident.  Additional testing and development work was carried out by Magnussen, Stoffel Vandoorne and Oliver Turvey.  The car was the first built by McLaren since the MP4/7A—which contested the season—to be powered by a Honda engine, known as the RA615H, after McLaren ended their twenty-year partnership with Mercedes at the end of the season.

McLaren MP4-26: The McLaren MP4-26 was a Formula One racing car designed by McLaren for the 2011 Formula One season.  It was driven by Lewis Hamilton and Jenson Button, the and World Drivers' Champions, respectively.  The car was launched on 4 February at Potsdamer Platz located in Berlin, Germany, shortly after the first test session of the season in Valencia.  McLaren test driver Gary Paffett, Lewis Hamilton and Jenson Button drove an interim version of the car's predecessor, the MP4-25 at the first tests to get experience with the final tyre compounds provided by new tyre supplier Pirelli.  Right before the 2011 Singapore Grand Prix, McLaren signed a new sponsor: Lucozade and the logo replaced the Johnnie Walker logo on the sides of the rear wing, thus shifting the Johnnie Walker logo to the back of the rear wing, which changed from red to silver in colour.

Supporting paragraphs: McLaren MP4-29 Sergio Pérez
Answer: "Checo" Pérez