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

Context paragraphs:
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").

Rurouni Kenshin (film): Rurouni Kenshin (Japanese: るろうに剣心 , Hepburn: Rurōni Kenshin ) (also known as Rurouni Kenshin: Origins in North America) is a 2012 Japanese film adaptation of the manga of the same name originally written by Nobuhiro Watsuki.  Directed by Keishi Ōtomo, the film stars Takeru Satoh and Emi Takei.  The film focuses on fictional events that take place during the early Meiji period in Japan, telling the story of a wanderer named Himura Kenshin, formerly known as the assassin "Hitokiri Battōsai".  After participating in the Bakumatsu war, Kenshin wanders the countryside of Japan offering protection and aid to those in need as atonement for the murders he once committed as an assassin.

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.

Nancy Blackett: Nancy Blackett is a fictional character in nine of the twelve juvenile novels in Arthur Ransome's "Swallows and Amazons series" of books.  She is a bit of a tomboy—acting as captain of the dinghy, "Amazon" and usually directing her friends in their various adventures.  Nancy apparently has no real-world counterpart as an inspirational source for Ransome but appears to be completely the author's creation.  Nancy is sometimes critically viewed as a subversive character for girl readers.  The character appeared in a 1963 BBC television adaptation of "Swallows and Amazons" as well as in a 1974 film adaptation of the book.

Domino Vitali: Dominetta Vitali, known simply as Domino, is a fictional character and the main Bond girl in the James Bond novel, "Thunderball".  For the 1965 film adaptation of the same name, her name was changed to Dominique Derval, nicknamed Domino, and she was portrayed by French actress Claudine Auger.  In the 1983 film adaptation "Never Say Never Again", her character was renamed Domino Petachi and she was portrayed by American actress Kim Basinger.

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.

Atticus Finch: Atticus Finch is a fictional character in author Harper Lee's Pulitzer Prize winning novel of 1960, "To Kill a Mockingbird".  A preliminary version of the character also appears in the novel "Go Set a Watchman", written in the mid 1950s but not published until 2015.  Atticus is a lawyer and resident of the fictional Maycomb County, Alabama, and the father of Jeremy "Jem" Finch and Jean Louise "Scout" Finch.  Lee based the character on her own father, Amasa Coleman Lee, an Alabama lawyer, who, like Atticus, represented black defendants in a highly publicized criminal trial. " Book Magazine"' s list of "The 100 Best Characters in Fiction Since 1900" names Finch as the seventh best fictional character of 20th-century literature.  In 2003 the American Film Institute voted Atticus Finch, as portrayed in an Academy Award-winning performance by Gregory Peck in the 1962 film adaptation, as the greatest hero of all American cinema.

Jackal (The Day of the Jackal): The Jackal is a fictional character, the villain of the novel "The Day of the Jackal" by Frederick Forsyth.  He is an assassin who is contracted by the OAS French terrorist group of the early 1960s, to kill Charles de Gaulle, the President of France.  The book was published on 7 June 1971, in the year following de Gaulle's death, and became an instant bestseller.  In the original 1973 film adaptation, he is portrayed by Edward Fox.  A revised version of the character was portrayed by Bruce Willis in the 1997 remake, "The Jackal", having a divergent storyline and set in the U.S., with the First Lady as target of the assassination.

Ezio Auditore da Firenze: Ezio Auditore da Firenze (] ) is a fictional character in the video game series "Assassin's Creed".  His career as an Assassin during the Italian Renaissance serves as central plot of "Assassin's Creed II", "", "", and "", as well as the animated short film "".  Ezio also makes an appearance as a playable character in the fighting game "Soulcalibur V".

Altaïr Ibn-La'Ahad: Altaïr Ibn-La'Ahad (Arabic: الطائر ابن لا أحد‎ ‎ , meaning "The Flying Eagle, Son of None") is a fictional character in the "Assassin's Creed" series.  He is one of the main members of the Assassin's Brotherhood.  He was trained by Al-Mualim, his guardian since childhood.  He was trained in the Masyaf Castle in Syria.  He serves as the main protagonist of "Assassin's Creed", "" and "".  Altaïr also shares the role as protagonist in "" with Ezio Auditore da Firenze and is playable once in "Assassin's Creed II".  He was generally well received by critics and gamers alike, although Philip Shahbaz's voice-over performance was widely derided.

Supporting paragraphs: Transfer of Power Mitch Rapp
Answer: Mitch Rapp