Huck Finn is a well-known literary character from the novel "Adventures of Huckleberry Finn" by Mark Twain. Some synonyms for Huck Finn could include Huckleberry Finn, Huck, or even just Finn. However, these synonyms do not fully capture the essence of this character. Huck Finn is a mischievous yet moral character who rebels against societal norms and ultimately learns to make his own choices. He represents the freedom and individualism that many Americans value. Therefore, synonyms for Huck Finn could also include freedom, individualism, rebellion, adventure, or even the American spirit. Huck Finn is a character that will continue to be celebrated for generations to come.