Question: Who is the fictional character in the Transfer of Power book from 1999 and in the film adaptation of "American Assassin"?

full_context: Document 1: Consent to Kill: Consent to Kill is the seventh novel by Vince Flynn and the sixth in a series that features CIA counterterrorism agent Mitch Rapp. In this thriller, Flynn focuses on the war on terror exploring all its aspects, from the president of the United States, to the CIA, the foot soldiers and the potentially deadly terrorists.
Document 2: In the President's Secret Service: In the President's Secret Service: Behind the Scenes with Agents in the Line of Fire and the Presidents They Protect is a book by New York Times bestselling author Ronald Kessler, published on August 4, 2009, detailing the United States Secret Service involvement in protecting the president of the United States. The book is based on interviews with more than 100 current and former secret service agents.
Document 3: Mitch Rapp: Mitch Rapp is a fictional character in a series of novels by Vince Flynn and in the film adaptation of "American Assassin" (previously "Consent to Kill").
Document 4: Vince Flynn: Vincent Joseph "Vince" Flynn (April 6, 1966 – June 19, 2013) was an American author of political thriller novels. He also served as a story consultant for the fifth season of the television series "24". He died on June 19, 2013, after a three-year battle with prostate cancer.
Document 5: Transition (novel): Transition is a novel by Iain Banks, first published in 2009. The American edition was published under the name "Iain M. Banks", which is the name Banks used for his science fiction work.
Document 6: American Assassin: American Assassin is a 2017 American action thriller film directed by Michael Cuesta and written by Stephen Schiff, Michael Finch, Edward Zwick and Marshall Herskovitz, based on Vince Flynn's 2010 novel of the same name. The film stars Dylan O'Brien, Michael Keaton, Sanaa Lathan, Shiva Negar and Taylor Kitsch, and follows young CIA black ops recruit Mitch Rapp, who helps a Cold War veteran try to stop the detonation of a rogue nuclear weapon.
Document 7: Extreme Measures (novel): Extreme Measures is a thriller novel by Vince Flynn. The novel was a "New York Times" best seller. The book is the ninth in a series featuring counter-terrorism agent Mitch Rapp. In this story, Rapp works with CIA agent Mike Nash to battle a Taliban jihadist.
Document 8: The Third Option: The Third Option is Vince Flynn's third novel, and the 2nd to feature Mitch Rapp, an American agent that works for the CIA as an operative for a covert counterterrorism unit called the "Orion Team". The first in the Mitch Rapp series American Assassin, was written later, but was a prologue to Kill Shot.
Document 9: The Survivor (Mills novel): The Survivor is the fourteenth novel in the Mitch Rapp series. It was published on October 6, 2015. It is the first novel in the series to be written by Kyle Mills, after the death of previous series author, Vince Flynn.
Document 10: Executive Power: Executive Power is Vince Flynn's fifth novel, and the fourth to feature Mitch Rapp, an American agent that works for the CIA as an operative for a covert counter terrorism unit called the "Orion Team".
Document 11: Memorial Day (novel): Memorial Day is Vince Flynn's sixth novel, and the fifth to feature Mitch Rapp, an American CIA agent that works for the counterterrorism unit "Orion Team".
Document 12: Planned presidential transition of Mitt Romney: The planned presidential transition of Mitt Romney, better known as the Romney Readiness Project, refers to the planned transfer of power from President Barack Obama to Mitt Romney, the Republican Party's candidate for president in the 2012 presidential election. Because Barack Obama was reelected as President, the transition did not take place.
Document 13: Pursuit of Honor: Pursuit of Honor is a novel by Vince Flynn and the tenth novel in the Mitch Rapp series. It was published on December 1, 2009.
Document 14: Transfer of Power: Transfer of Power is Vince Flynn's second published book in 1999 and is where the reader meets Mitch Rapp, the CIA's super agent. The book was released on July 1, 1999 by Pocket Books. It reached number 13 in the "New York Times" paperback bestsellers chart.
Document 15: Separation of Power (novel): Separation of Power is Vince Flynn's fourth novel, and the third to feature Mitch Rapp, an American agent who works for the CIA as an operative for a covert counterterrorism unit called the "Orion Team".
ground_truth: Mitch Rapp