You will find a detailed discussion of the characters in this novel here at eNotes at the link in the sources section below. Briefly, a few of the characters are:
Pavel Ivanovitch Tchitchikov: He buys “dead souls” (the names of serfs who have died since the last census) so that he can use them to get money from his uncle's estate.
Selifan: Pavel's coachman.
Nastasya Petrovna Korobotchkina: an old woman from whom Pavel purchases dead souls.
Petrushka: Pavel’s valet.
Nozdryov: a gambler turns Pavel in as a spy and forger.
Manilov, Mihail Semyonovitch Sobakevitch, Plyushkin, General Betrishtchev: people who sell souls to Pavel.
Ivan Grigoryevitch: the town president.
Ivan Antonovitch: a town clerk who takes bribes to record purchases.
The Governor and his daughter: The town believes that Pavel plans to elope with the daughter.
Captain Kopeykin: a legendary soldier, told in story form, of the War of 1812 who has become an outlaw.
Andrey Ivanovitch Tyentyelnikov: a man whom Pavel aids in his suit for a neighbor’s daughter.
Ulinka: the general’s daughter, in love with Tyentyelnikov.
Konstantin Skudronzhoglo: a wealthy landowner who loans Pavel money to buy an estate.
Murazov: the lawyer who helps free Pavel from jail.
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