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The second is Snowball. Snowball believed one hundred percent in Old Majors hopes and dreams. He wanted all the things Old Major wanted, such as the freedom of the animals. This is shown when he leads the animals in the battle of Cowshed with his daring heroics, here is a passage from page 27."The pellets scored bloody streaks along snowballs back, and a sheep dropped dead. Without halting for an instant Snowball flung his fifteenth stone against Jones's leg" He wanted so much to continue what Old Major had started that he was willing to sacrifice his life. In the Russian Revolution his counterpart would be Trotsky. Trotsky believed and wanted the same things as Karl Marx and tried to share the ideas of Marx but unfortunately Karl Marx grew less powerful and Trotsky was forced to leave the country, so too was Snowball forced to leave the farm.
Another example is Napoleon. Napoleon was selfish and greedy. He did not want to share the power or the decision making with any other animal. This was the same for Stalin. At first Napoleon and Snowball shared the decision making and had debates about what course of action they would take. This worked for a while. Then Napoleon grew tired of long debates, and he thought he could make the decision by himself. He then forced Snowball out of the farm and started to spread lies about Snowball to get the entire farm against him. Stalin did the same thing against Trotsky and forced Trotsky into hiding in Mexico, where he was eventually assassinated. Both Stalin and Napoleon ruined any hopes of a Utopian society and instead set up dictatorships. .
Then comes the final important pig, Squealer. Squealer is an interesting character because he was very manipulative and persuasive with his use of propaganda, Orwell said, "He could turn black into white". Squealer throughout the book was the animal that everyone would turn to for help and in the animals eyes they had no reason to believed what he said was false.