"Бартоло" is a character from the opera "Il Barbiere di Siviglia," composed by Gioachino Rossini. He is a barber and a guardian of Rosina, the opera's heroine. Bartolo is known for his scheming nature, as he tries to prevent Rosina from marrying Count Almaviva. In the story, Bartolo is portrayed as both comedic and cunning. He is determined to marry Rosina himself, leading to various humorous situations. His character adds depth to the opera's plot, showcasing themes of love, deception, and the pursuit of happiness.