A look at London Mayor Boris Johnson

LONDON, ENGLAND - OCTOBER 27: Mayor Of London Boris Johnson and Brian Blessed are proud in launching 'London Poppy Day' at Liverpool Street Station, calling on Londoners to help raise over £1m on October 27, 2014 in London, England. (Photo by Stuart C. Wilson/Getty Images for The Royal British Legion) ORG XMIT: 518690725 ORIG FILE ID: 457937994

Mayor of London Boris Johnson (L) attends the scene of fatality, caused by a tree falling outside Knightsbridge Barracks during high winds in west London on October 21, 2014. A woman was found dead beneath a fallen tree in London on Tuesday as the tail end of Hurricane Gonzalo brought high winds and travel disruption to Britain. Police said they were called out to reports of a falling tree in the plush Kensington district and found a woman trapped underneath it. AFP PHOTO / JACK TAYLORJACK TAYLOR/AFP/Getty Images ORIG FILE ID: 534598415

Mayor of London Boris Johnson holds a brick during his speech about the country's economy to delegates at the Conservative Party annual conference in Birmingham, England, Tuesday, Sept. 30, 2014. (AP Photo/Stefan Rosseau, PA Wire) UNITED KINGDOM OUT - NO SALES - NO ARCHIVES ORG XMIT: LON810

LONDON, ENGLAND - SEPTEMBER 18: Santander Brand ambassador Rory McIlroy laughs as Mayor of London Boris Johnson hits a golf ball during the launch of Santander 1|2|3 World with Rory McIlroy at Potters Field, Tower Bridge on September 18, 2014 in London, England. (Photo by Andrew Redington/Getty Images for Santander) ORG XMIT: 513079085 ORIG FILE ID: 455651318

LONDON, ENGLAND - SEPTEMBER 12: Mayor of London Boris Johnson and Prince Harry watch the Wheelchair Rugby match between Great Britain and Australia during Day Two of the Invictus Games at the Olympic Park on September 12, 2014 in London, England. (Photo by Jordan Mansfield/Getty Images for Invictus Games) ORG XMIT: 512306743 ORIG FILE ID: 455313466

LONDON, ENGLAND - SEPTEMBER 08: Mayor of London Boris Johnson visits Training Ship Tenacious on the River Thames at Woolwich on September 8, 2014 in London, England. The Tenacious is moored in the capital as part of 'Totally Thames', a month long arts and cultural festival featuring more than a 100 river related events. (Photo by Peter Macdiarmid/Getty Images) ORG XMIT: 511516761 ORIG FILE ID: 454939966

British Prime Minister Prime Minister David Cameron (L) and Mayor of London Boris Johnson wait for a train at Newark station in central England on May 21, 2014, following a visit to the town were they campaigned ahead of the Newark by-election which is due to be held on June 5. Voters also go to the polls in Britain Thursday May 22, 2014, for local council elections in England and Northern Ireland and also for European elections in England, Wales, Scotland and Northern Ireland. AFP PHOTO / STEFAN ROUUSEAU/POOLSTEFAN ROUSSEAU/AFP/Getty Images ORG XMIT: 864 ORIG FILE ID: 529986196

LONDON, ENGLAND - AUGUST 01: London Mayor Boris Johnson dangles from a zipwire in London's Victoria Park, shot by passer by Rebecca Denton on August 01, 2012 in London, England. A publicity stunt at a public viewing area for the Olympic Games went awry leaving Johnson stranded some 15 feet off the ground. The Mayor was left clutching his Union Flags for roughy five minutes before rescuers came to help him down. (Photo by Rebecca Denton/Getty Images) ORIG FILE ID: 149630674

LONDON - AUGUST 12: Mayor of London Boris Johnson and Arnold Schwarzenegger walk before taking a ride on the Emirates cable car from Greenwich to the ExCeL in Docklands, after watching the Olympic basketball in Greenwich , on August 12, 2012 in London, England. (Photo by Sean Dempsey - WPA Pool/Getty Images) ORG XMIT: 149005389 ORIG FILE ID: 150219230

ORG XMIT: LTH102 London Mayor Boris Johnson rides around the partially built velodrome in the London Olympic complex, London, Tuesday July 27, 2010. London marked the two-year countdown to the 2012 Summer Games on Tuesday by throwing open venues to star athletes, issuing a call for 78,000 volunteers and opening the first official Olympic store for sale of mascots and other souvenirs. (AP Photo/Tom Hevezi)

London Mayor Boris Johnson is pictured during a photocall with Serbian tennis player Novak Djokovic (not pictured) to encourage sports participation within local communities, outside County Hall, in London, on June 18, 2008. AFP PHOTO/Shaun Curry (Photo credit should read SHAUN CURRY/AFP/Getty Images) ORG XMIT:

Newly elected London Mayor Boris Johnson, center, wears a police officers hat in Trafalgar Square, central London during the Sikh New Year Festival celebrations of Vaisakhi, Sunday May 4 2008. London's new mayor, an eccentric Conservative lawmaker, was sworn in Saturday after ousting the left-wing incumbent in a vote that capped the worst local election results for Prime Minister Gordon Brown's party in four decades. With a clump of unruly blond hair sticking up during his victory speech after midnight, the idiosyncratic ex-magazine editor Boris Johnson said his triumph over Labour's incumbent Ken Livingstone offered a glimpse of Britain's likely political future. (AP Photo/ Lewis Whyld/PA) ** UNITED KINGDOM OUT NO SALES NO ARCHIVE ** ORG XMIT: LON803