This author created that character, Mezentius, who is the ally of the king of the Rutuli, Turnus.
The second section of one of this author's works features the exclamation "Ah! Corydon, Corydon, what hath crazed your wit?" The tenth part of that work depicts Gallus dying of love. In another one of this author's works, a spear-riddled corpse turns into a bleeding bush, and one character engages in single combat after accidentally allowing his son Lausus to be killed in his place. This author created that character, Mezentius, who is the ally of the king of the Rutuli, Turnus. For 10 points, identify this Latin poet who considered four topics from farming in the Georgics and wrote about a character who leaves Dido on his way to Italy in the Aeneid.
The second section of one of this author's works features the exclamation "Ah!
Publius {Vergilius} Maro [accept {Virgil}]