In the 2012 film, "The Lorax", who is the antagonist?

In the 2012 film "The Lorax," Aloysius O'Hare serves as the primary antagonist. O'Hare is the mayor of Thneedville, a city enclosed in a domed structure, and he owns a business that sells bottled air, as the air in Thneedville is polluted. O'Hare represents corporate greed and environmental exploitation in the story. His opposition to the Once-ler, who plays a crucial role in the depletion of the Truffula trees and the degradation of the environment, aligns him as the antagonist against the Lorax and the environmental message of the film. O'Hare's character embodies the consequences of prioritizing profit over environmental sustainability.