What character is BEST described as having undergone a catharsis?

Ebenezer Scrooge from "A Christmas Carol" by Charles Dickens is a character who undergoes a catharsis. Through the visits of the ghosts of Christmas Past, Present, and Yet to Come, Scrooge is able to confront his own flaws and transform from a miserly and cold-hearted individual into a kind and generous one. His redemption arc symbolizes a deep emotional and psychological change within him.