Ballio is a character from the ancient Roman comedy "Miles Gloriosus," written by the playwright Plautus. He is a clever and cunning slave who often finds himself in humorous situations, using his wit to navigate the challenges posed by his master and other characters. In the play, Ballio is known for his role as a pimp, managing a group of courtesans. His interactions with other characters highlight themes of deception, loyalty, and the complexities of social status in Roman society. The character serves as a comedic foil, providing both humor and insight into the dynamics of the time.