Ánna Báttler (Russian: ) is the pen name of Ánna Vasílievna Levashóva (Russian: Анна Васильевна Левашова ; born May 16, 1981), a Russian poet, writer, actress, and philanthropist.
Igor Severyanin (Russian: И́горь Северя́нин , pen name, real name Igor Vasilyevich Lotaryov (И́горь Васи́льевич Лотарёв) (May 16, 1887 – December 20, 1941) was a Russian poet who presided over the circle of the so-called Ego-Futurists.
Ernie Lindsey is an American novelist whose novel "Sara's Game" (2012) became a "USA Today" and Amazon Kindle bestseller.
 He also writes paranormal suspense novels under the pen name Desmond Doane.
The Night of the Devils (Italian: "La notte dei diavoli" , Spanish: "La noche de los diablos" ) is a 1972 Italian-Spanish film directed by Giorgio Ferroni.
 It is loosely based on the Aleksey Konstantinovich Tolstoy's novel "The Family of the Vourdalak".
Viktor Vladimirovich Khlebnikov, better known by the pen name Velimir Khlebnikov (Russian: Велими́р Хле́бников ; ] ; 9 November [O.S. 28 October] 1885 – 28 June 1922), was a Russian poet and playwright, a central part of the Russian Futurist movement, but his work and influence stretch far beyond it.
Count Aleksey Konstantinovich Tolstoy, often referred to as A. K. Tolstoy (Russian: Алексе́й Константи́нович Толсто́й ) (September 5 [O.S. August 24] 1817 – October 10 [O.S. September 28] 1875 ), was a Russian poet, novelist and playwright, considered to be the most important nineteenth-century Russian historical dramatist, primarily on the strength of his dramatic trilogy "The Death of Ivan the Terrible" (1866), "Tsar Fyodor Ioannovich" (1868), and "Tsar Boris" (1870).
 He also gained fame for his satirical works, published under his own name ("History of the Russian State from Gostomysl to Timashev", "The Dream of Councillor Popov") and under the collaborational pen name of Kozma Prutkov.
 His fictional works include the novella "The Family of the Vourdalak", "The Vampire" (1841), and the historical novel "Prince Serebrenni" (1862).
Ruvim Isayevich Frayerman (Рувим Исаевич Фраерман, 22 September 1891, in Mogilyov, Russian Empire, – 28 March 1972, Moscow, USSR) was a Soviet writer, poet, essayist and journalist.
 A major component of the Socialist romanticism, Frayerman is best remembered as a children's literature author, whose novel "Wild Dog Dingo or the Tale of the First Love" (1939) became a popular Soviet film in 1962.
Mikhail Osipovich Tsetlin (Russian: Михаи́л О́сипович Це́тлин , July 10, 1882, Moscow, Russian Empire, — November 10, 1945, New York City, United States) was a Russian poet, dramatist, novelist, memoirist and translator better know under his pen name Amari (Амари).
 In the late 1918, facing persecution by the Bolsheviks (as a former SR Party activist), Tsetlin left the Soviet Russia for France.
 In 1923, he founded "Okno" literary magazine, which published three issues and was later re-established by Tsetlin's distant relative, the poet Anatoly Kudryavitsky as a web-only journal after a lapse of some 83 years.
 In Paris, Tsetlin's home was open to Russian émigré artists, for whom he often provided.
 He earned respect as a philanthropist and a literary entrepreneur.
 In 1940 Tsetlin moved to the USA where he, together with Mark Aldanov, founded "Novy Zhurnal" (Новый Журнал) magazine in 1942.
Sophia Parnok (Russian: София Яковлевна Парно́к , 30 July 1885 O.S./11 August 1885 (N. S.) – 26 August 1933) was a Russian poet, journalist and translator.
 From the age of six, she wrote poetry in a style quite distinct from the predominant poets of her times, revealing instead her own sense of Russianness, Jewish identity and lesbianism.
 Besides her literary work, she worked as a journalist under the pen name of Andrei Polianin.
 She has been referred to as "Russia's Sappho", as she wrote openly about her seven lesbian relationships.
Antônio Gonçalves Teixeira e Sousa (March 28, 1812 – December 1, 1861) was a Brazilian poet, novelist and playwright, whose novel "O Filho do Pescador" ("The Fisherman's Son") is considered to be the first Romantic novel in Brazil.

Question: What is the collaborational pen name of the Russian poet on whose novel "The Night of Devils" is loosely based on?
Answer: Kozma Prutkov