Who were the animals of the farm representing the humans of the Russian Revolution

The allegorical characters of the novel represent specific historical figures and different factions of Imperial Russian and Soviet society. These include Karl Marx (Major), Vladimir Lenin (Major), Leon Trotsky (Snowball), Joseph Stalin (Napoleon), Adolf Hitler (Frederick), the Allies (Pilkington), the peasants (Boxer), the elite (Mollie), and the church (Moses).