- The Adventures of Huckleberry Finn examines the themes of hypocrisy, freedom, and the injustice of slavery through the eyes of the 12-year old protagonist Huck Finn. - Twain uses humor and satire to criticize the hypocrisy of those who claimed to be Christian but supported slavery, as well as the harsh realities of racism that freed slaves still faced. - The relationship between Huck and Jim, who is portrayed as a responsible and caring man, represents their shared desire for freedom but also their differing circumstances as a white boy and a fugitive slave.