Yukio Mishima (三島 由紀夫 , Mishima Yukio ) is the pen name of Kimitake Hiraoka (平岡 公威 , Hiraoka Kimitake , January 14, 1925November 25, 1970) , a Japanese author, poet, playwright, actor, and film director.
 Mishima is considered one of the most important Japanese authors of the 20th century.
 He was considered for the Nobel Prize in Literature in 1968 but the award went to his countryman Yasunari Kawabata.
 His works include the novels "Confessions of a Mask" and "The Temple of the Golden Pavilion", and the autobiographical essay "Sun and Steel".
 His avant-garde work displayed a blending of modern and traditional aesthetics that broke cultural boundaries, with a focus on sexuality, death, and political change.
 Mishima was active as a nationalist and founded his own right-wing militia, the Tatenokai.
 In 1970, he and three other members of his militia staged an attempted "coup d'état" when they seized control of a Japanese military base and took the commander hostage, then tried and failed to inspire a coup to restore the Emperor's pre-war powers.
 Mishima then committed ritual suicide by "seppuku".
 The coup attempt became known as the "Mishima Incident".
The Suicide Shop (French: Le Magasin des suicides ) is a 2006 black comedy novel by the French writer Jean Teulé.
 It is set in a future near-apocalyptic city in a world suffering the ravages of severe climate change, where everybody is depressed.
 Symptomatic of this, the pivotal Tuvache family is named after a trio of celebrity suicides – patriarch "Mishima" Tuvache is meant to evoke Yukio Mishima, while their eldest son Vincent Tuvache is named after Vincent van Gogh and their daughter Marilyn Tuvache is meant to mirror Marilyn Monroe.
 Their younger son Alain is named after British gay mathematician and cryptographer Alan Turing, but proves to be the white sheep of the family.
The bibliography of Kimitake Hiraoka, pen name Yukio Mishima, includes novels, novellas, short stories and literary essays, as well as plays that were written not only in a contemporary-style, but also in the style of classical Japanese theatre, particularly in the genres of noh and kabuki.
 However, although Mishima took themes, titles and characters from the noh canon, he included his own twists and modern settings, such as hospitals and ballrooms, which startled audiences who were accustomed to the long-settled originals.
Sotoba Komachi (卒塔婆小町) is one of the stories in Five Modern Noh Plays by Yukio Mishima.
 The original work was written by Kanami and was later reworked by Mishima Yukio for modern theatre.
 The kanji 卒塔婆 means stupa and小町 is the synonym of belle or beautiful woman.
 The story was written in 1952 and published in 1956.
 It is translated by a Japanese literature expert Donald Keene into English in 1957.
 Sotoba Komachi is the third story of The Five Modern Noh Plays.
Five Modern Nō Plays is a collection of plays written by Japanese writer Yukio Mishima.
 Mishima wrote these plays between 1950 and 1955 and presented them as modern plays in Tokyo.
 Of these five, only The Damask Drum was expressed in the traditional Nō fashion. "
The Lady Aoi" was expressed as a Western-style Opera.
 The plays take older Nō plots or traditional and foreign fairy tales and bring them to a modern setting.
Wang Sheng Hong was born in Hemei village in Zhanghua County, Taiwan in 1970, growing up in a farming family with an illiterate mother and a father who only received basic education.
 Though his parents did not excel at explaining the world, their actions served as a model for honesty, warmth and kindness.
 As a youth, Wang enjoyed reading the works of Qi Jun and Yukio Mishima, and exchanged letters with the former for twenty years, discussing the giving and receiving among family and friends, as well as their shared love for various other topics.
 Meanwhile, the author Yukio sparked his interest in passion, immorality, and life and death.
Persona: A Biography of Yukio Mishima is a 2012 biography of Yukio Mishima written by Naoki Inose with Hiroaki Sato, and published by Stone Bridge Press.
 It is an expanded adaptation in English of Inose's 1995 Mishima biography, "Persona: Mishima Yukio den", published by Bungeishunjū in Tokyo, Japan.
Runaway Horses (奔馬 , Honba ) is a 1969 novel by Yukio Mishima, the second in his Sea of Fertility tetralogy.
 Mishima did much research to prepare for this novel, including visiting locations recorded in the book and searching for information on the Shinpūren Rebellion (神風連の乱 "Shinpūren no Ran").
Noah Gordon (born November 11, 1926) is an American novelist.
 He was born in Worcester, Massachusetts.
The Mishima Yukio Prize (三島由紀夫賞 , Mishima Yukio Shō ) is a Japanese literary award presented annually.
 It was established in 1988 in memory of author Yukio Mishima.

Question: Did Yukio Mishima and Noah Gordon have pen names?
Answer: no