The young protagonist of the novel. Living with his aunt St. Petersburg, Missouri, Tom has a penchant for adventure and "showing off." Constantly getting into mischief, he plays hooky from school and would rather go swimming than tend to his Sunday school lessons. Blessed with an active imagination, Tom dreams to be a noble robber such as Robin Hood or a pirate. Hungry for attention, Tom is obsessed with appearing noble and obtaining the envy of his peers. However, Tom is extremely clever and possesses an incredible insight on human nature. Throughout the novel, Tom must learn to listen to his conscience and become accountable for his actions.