Paul Ryan's secret service code name is "Bowhunter", in reference to the US Republican vice presidential candidate's fondness for shooting deer.

The name was leaked to GQ magazine's Mark Ambinder, who also reported on Wednesday that Ryan's wife Janna is named "Buttercup".

Presidential and vice presidential candidates get to choose their code names, and they usually say something about their character or how they view themselves.

Mitt Romney's code name is "Javelin", which as GQ notes might be a reference to a vehicle once manufactured by his father's car company.

In 2007 Barack Obama became known as "Renegade" by his protection officers, with his wife Michelle, who gave a electrifying speech at the Democratic Convention last night, was christened "Renaissance". The Obamas' daughters are known as 'Radiance' and "Rosebud".

In a recent interview with Deer & Deer Hunting Magazine, Ryan recalled how he started hunting when he was young.

“I started with rabbits, ducks and pheasant before getting into deer hunting," he said. "I worked mowing lawns when I was a kid to save money to buy a shotgun and bought a Browning BPS 20-gauge for pheasants. I still have it.”

President George W. Bush went by the codename "Trailblazer" while Bill Clinton was known as "Eagle".

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  • First lady Michelle Obama waves to delegates at the Democratic National Convention in Charlotte, N.C., on Tuesday, Sept. 4, 2012. (AP Photo/David Goldman)

  • US-VOTE-2012-DEMOCRATIC CONVENTION

    First Lady Michelle Obama delivers a speech at the Time Warner Cable Arena in Charlotte, North Carolina, on September 4, 2012 on the first day of the Democratic National Convention (DNC). The DNC is expected to nominate US President Barack Obama to run for a second term as president. AFP PHOTO Robyn BECK (Photo credit should read ROBYN BECK/AFP/GettyImages)

  • First lady Michelle Obama waves after addressing the Democratic National Convention in Charlotte, N.C., on Tuesday, Sept. 4, 2012. (AP Photo/Jae C. Hong)

  • First lady Michelle Obama waves after addressing the Democratic National Convention in Charlotte, N.C., on Tuesday, Sept. 4, 2012. (AP Photo/Jae C. Hong)

  • First lady Michelle Obama waves to delegates at the Democratic National Convention in Charlotte, N.C., on Tuesday, Sept. 4, 2012. (AP Photo/Jae C. Hong)

  • First lady Michelle Obama addresses the Democratic National Convention in Charlotte, N.C., on Tuesday, Sept. 4, 2012. (AP Photo/David Goldman)

  • First Lady Michelle Obama waves to delegates at the Democratic National Convention in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/David Goldman)

  • US-VOTE-2012-DEMOCRATIC CONVENTION

    First Lady Michelle Obama speaks to the crowd at the Time Warner Cable Arena in Charlotte, North Carolina, on September 4, 2012 on the first day of the Democratic National Convention (DNC). The DNC is expected to nominate US President Barack Obama to run for a second term as president. AFP PHOTO Stan HONDA (Photo credit should read STAN HONDA/AFP/GettyImages)

  • Democratic National Convention: Day 1

    CHARLOTTE, NC - SEPTEMBER 04: First lady Michelle Obama speaks on stage during day one of the Democratic National Convention at Time Warner Cable Arena on September 4, 2012 in Charlotte, North Carolina. The DNC that will run through September 7, will nominate U.S. President Barack Obama as the Democratic presidential candidate. (Photo by Streeter Lecka/Getty Images)

  • Democratic National Convention: Day 1

    CHARLOTTE, NC - SEPTEMBER 04: People hold signs that read 'We Love Michelle' as First lady Michelle Obama speaks on stage during day one of the Democratic National Convention at Time Warner Cable Arena on September 4, 2012 in Charlotte, North Carolina. The DNC that will run through September 7, will nominate U.S. President Barack Obama as the Democratic presidential candidate. (Photo by Streeter Lecka/Getty Images)

  • Democratic National Convention: Day 1

    CHARLOTTE, NC - SEPTEMBER 04: First lady Michelle Obama speaks on stage during day one of the Democratic National Convention at Time Warner Cable Arena on September 4, 2012 in Charlotte, North Carolina. The DNC that will run through September 7, will nominate U.S. President Barack Obama as the Democratic presidential candidate. (Photo by Joe Raedle/Getty Images)

  • Democratic National Convention: Day 1

    CHARLOTTE, NC - SEPTEMBER 04: First lady Michelle Obama speaks on stage during day one of the Democratic National Convention at Time Warner Cable Arena on September 4, 2012 in Charlotte, North Carolina. The DNC that will run through September 7, will nominate U.S. President Barack Obama as the Democratic presidential candidate. (Photo by Joe Raedle/Getty Images)

  • Democratic National Convention: Day 1

    CHARLOTTE, NC - SEPTEMBER 04: First lady Michelle Obama speaks on stage during day one of the Democratic National Convention at Time Warner Cable Arena on September 4, 2012 in Charlotte, North Carolina. The DNC that will run through September 7, will nominate U.S. President Barack Obama as the Democratic presidential candidate. (Photo by Win McNamee/Getty Images)

  • Democratic National Convention: Day 1

    CHARLOTTE, NC - SEPTEMBER 04: First lady Michelle Obama waves on stage during day one of the Democratic National Convention at Time Warner Cable Arena on September 4, 2012 in Charlotte, North Carolina. The DNC that will run through September 7, will nominate U.S. President Barack Obama as the Democratic presidential candidate. (Photo by Justin Sullivan/Getty Images)

  • Democratic National Convention: Day 1

    CHARLOTTE, NC - SEPTEMBER 04: First lady Michelle Obama speaks on stage during day one of the Democratic National Convention at Time Warner Cable Arena on September 4, 2012 in Charlotte, North Carolina. The DNC that will run through September 7, will nominate U.S. President Barack Obama as the Democratic presidential candidate. (Photo by Joe Raedle/Getty Images)

  • Democratic National Convention: Day 1

    CHARLOTTE, NC - SEPTEMBER 04: First lady Michelle Obama takes the stage during day one of the Democratic National Convention at Time Warner Cable Arena on September 4, 2012 in Charlotte, North Carolina. The DNC that will run through September 7, will nominate U.S. President Barack Obama as the Democratic presidential candidate. (Photo by Alex Wong/Getty Images)

  • Democratic National Convention: Day 1

    CHARLOTTE, NC - SEPTEMBER 04: First lady Michelle Obama waves as she takes the stage during day one of the Democratic National Convention at Time Warner Cable Arena on September 4, 2012 in Charlotte, North Carolina. The DNC that will run through September 7, will nominate U.S. President Barack Obama as the Democratic presidential candidate. (Photo by Win McNamee/Getty Images)

  • Democratic National Convention: Day 1

    CHARLOTTE, NC - SEPTEMBER 04: First lady Michelle Obama waves as she takes the stage during day one of the Democratic National Convention at Time Warner Cable Arena on September 4, 2012 in Charlotte, North Carolina. The DNC that will run through September 7, will nominate U.S. President Barack Obama as the Democratic presidential candidate. (Photo by Alex Wong/Getty Images)

  • Michelle Obama

    First Lady Michelle Obama waves as she appears on the stage for filming a campaign video at the Democratic National Convention inside Time Warner Cable Arena in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/Jae C. Hong)

  • Michelle Obama, Kal Penn

    First Lady Michelle Obama hugs actor Kal Penn after filming a campaign video at the Democratic National Convention inside Time Warner Cable Arena in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/Jae C. Hong)

  • Michelle Obama, Kal Penn

    First Lady Michelle Obama appears on the stage with actor Kal Penn for filming a campaign video at the Democratic National Convention inside Time Warner Cable Arena in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/Jae C. Hong)

  • Michelle Obama, Kal Penn

    First Lady Michelle Obama appears on the stage with actor Kal Penn for filming a campaign video at the Democratic National Convention inside Time Warner Cable Arena in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/Jae C. Hong)

  • Michelle Obama

    First Lady Michelle Obama waves as she appears at the podium for a camera test on the stage at the Democratic National Convention inside Time Warner Cable Arena in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/Jae C. Hong)

  • Michelle Obama

    First Lady Michelle Obama gestures as she appears at the podium for a camera test on the stage at the Democratic National Convention inside Time Warner Cable Arena in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/Jae C. Hong)

  • First Lady Michelle Obama talks to a production manager during a sound check for the Democratic National Convention in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/Lynne Sladky)

  • Michelle Obama

    First Lady Michelle Obama waves as she appears at the podium for a camera test on the stage at the Democratic National Convention inside Time Warner Cable Arena in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/David Goldman)

  • First Lady Michelle Obama smiles for cameras while working with a production manager during a sound check for the Democratic National Convention in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/Lynne Sladky)

  • Michelle Obama, David Cove

    First Lady Michelle Obama listens to head stage manager David Cove at the podium for a camera test on the stage at the Democratic National Convention inside Time Warner Cable Arena in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/Jae C. Hong)

  • Michelle Obama

    First Lady Michelle Obama looks over the podium during a sound check at the Democratic National Convention in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/J. Scott Applewhite)

  • Michelle Obama

    First Lady Michelle Obama waves from the podium during a sound check at the Democratic National Convention in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/J. Scott Applewhite)

  • First Lady Michelle Obama performs a sound check on the main stage for the Democratic National Convention in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/Lynne Sladky)

  • Michelle Obama

    First Lady Michelle Obama waves as she appears at the podium for a camera test on the stage at the Democratic National Convention inside Time Warner Cable Arena in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/Charles Dharapak)

  • First Lady Michelle Obama walks to center stage with a production manager during a sound check for the Democratic National Convention in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/Charlie Neibergall)

  • Michelle Obama, David Cove

    First Lady Michelle Obama appears at the podium for a camera test as head stage manager David Cove, right, instructs on the stage at the Democratic National Convention inside Time Warner Cable Arena in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/Charles Dharapak)

  • First Lady Michelle Obama listens to a production manager during a sound check for the Democratic National Convention in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/Charlie Neibergall)

  • Michelle Obama

    First Lady Michelle Obama answers a question during a television interview at the Democratic National Convention in Charlotte, N.C., on Monday, Sept. 3, 2012. (AP Photo/J. Scott Applewhite)

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