Snowball, a boar, is the leader of the farm. He assumed leadership, rather than being voted on it and asking the other animals their opinion. Snowball always means well, but it doesn't always turn out good.
Boxer is a cart-horse and he is described as the farm's most dedicated and loyal laborer
Mr. Jones of Manor Farm is a fictional character in George Orwell's allegorical novel Animal Farm. Jones is an allegory for Tsar Nicholas II. Jones is overthrown by the animals of his farm, who represent Bolshevik and liberal revolutionaries
Mr. Pilkington of Foxwood Farm is a fictional character in George Orwell's satirical novel Animal Farm.
Squealer is described in the book to be an effective and very convincing orator. He is a pig.
Comrade Napoleon, Father of All Animals, Terror of Mankind, Protector of the Sheep-fold, Ducklings' Friend is a fictional character and the main antagonist.
Old Major is the first major character described in the book. This "purebred" of pigs is a kind, grandfatherly philosopher of change
Benjamin is a donkey. He is the oldest of all the animals, and is alive in the last scene of the novel.