Wreck-It Ralph is the titular character from the animated film 'Wreck-It Ralph,' which features the fictional arcade game 'Sugar Rush.' Ralph is a large, muscular man with a gruff exterior but a kind heart. Originally portrayed as a villain in his own game, Ralph seeks recognition and appreciation from others by trying to become a hero. Throughout the movie, he learns the importance of self-acceptance and friendship, ultimately realizing that he doesn't need to change who he is to be valued. Ralph plays a pivotal role in the narrative, driving the story's themes of identity and belonging.