What is the collaborational pen name of the Russian poet on whose novel "The Night of Devils" is loosely based on?
The Night of the Devils: 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. The Night of the Devils:  It is loosely based on the Aleksey Konstantinovich Tolstoy's novel "The Family of the Vourdalak". Aleksey Konstantinovich Tolstoy: 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). Aleksey Konstantinovich Tolstoy:  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.
Kozma Prutkov