(Mozart: Don Giovanni). Ten. Fiancé of Donna Anna. A rather weak character, he nevertheless loves Anna and helps her to uncover the murderer of her father, the libertine Don Giovanni. Arias: Dalla sua pace… (‘Upon her peace of mind’)—this aria, added for the Vienna première, is often omitted; Il mio tesoro, intanto (‘Meanwhile, my treasure’). Created (1787) by Antonio Baglioni.