Question: Who is American writer and translator Peter Christopher Sebastian's older brother who is a novelist and poet and wrote "Darconville's Cat"?

<P0-S0> Peter Petrelli, portrayed by Milo Ventimiglia, is a fictional character on the NBC science fiction drama series "Heroes". <P0-S1>  He is a hospice nurse-turned-paramedic in his mid-20s with the power to absorb and mimic the powers of other people with special abilities, or powers. <P0-S2>  Sensitive and compassionate, the character was initially defined by his complex relationship with his older brother, Nathan. <P0-S3>  Since that time, Peter Petrelli has had to deal with the outcomes from the decisions that his abilities force him to make. <P0-S4>  In the start of the series, Peter absorbs the ability of a man who is practically a ticking time bomb. <P0-S5>  In desperation all the characters in the series race to try and save New York City in fear that Peter will "blow up" the city like a bomb. <P0-S6>  Minutes from when he's about to explode Peter's older brother Nathan flies him high above the skyline and saves the people of New York City. <SEP> <P1-S0> Mary O'Donoghue (born 1975) is an Irish fiction writer, poet, and translator. <P1-S1>  She grew up in Co. <P1-S2>  Clare, Ireland. <P1-S3>  Her debut novel "Before the House Burns" was published in 2010, and is described by Booker Prize-winning Irish novelist Anne Enright as "Electric, real, and utterly modern: this is a voice to welcome and to watch." <P1-S4>  Her short stories have been published in the "Georgia Review", the "Dublin Review", "AGNI", "Salamander", "Literary Imagination", "Stinging Fly", the "Irish Times", and elsewhere. <P1-S5>  Her poetry collections are "Tulle" (2001) and "Among These Winters" (2007). <P1-S6>  She is one of the translators of Irish-language poet Seán Ó Ríordáin; "Selected Poems" appeared from Yale University Press (Margellos World Republic of Letters) in 2014. <P1-S7>  Across several years and bilingual volumes, she has collaborated with Louis de Paor on translations of his poetry, most recently "The Brindled Cat and the Nightingale’s Tongue" (Bloodaxe Books, 2014). <P1-S8>  Mary O'Donoghue's writing awards include Hennessy/"Sunday Tribune" New Irish Writer; two artist’s fellowships from Massachusetts Cultural Council (2006 and 2012 ); "Irish Times"/ Legends of the Fall prize for short fiction responding to Ireland's economic crisis (2013); and residencies at Vermont Studio Center and Virginia Center for Creative Arts. <P1-S9>  She is an associate professor of English in the Arts and Humanities division at Babson College, Massachusetts. <SEP> <P2-S0> Alexander Louis Theroux (born 1939) is an American novelist and poet whose best known novel is perhaps "Darconville’s Cat" (1981) which was selected by Anthony Burgess’s "Ninety-Nine Novels: The Best in English since 1939 – A Personal Choice" in 1984 and in Larry McCaffery’s "20th Century’s Greatest Hits" <SEP> <P3-S0> Peter Christopher Sebastian Theroux (born 1956) is an American writer and translator. <P3-S1>  He is part of the creative Theroux family from Boston, Massachusetts. <P3-S2>  The younger brother of writers Alexander Theroux and Paul Theroux, during college Peter studied for a year at the University of Cairo. <P3-S3>  He became interested in Arabic literature and has made it his life's work. <P3-S4>  He has translated numerous works of both historic and chiefly contemporary fiction by Egyptian, Iraqi and Lebanese authors. <P3-S5>  In addition, he has written articles and published a travel book, "Sandstorms" (1990), about his extensive travels in the Middle East.