The legendary hero who fought against the Trojans in the Iliad is Achilles. Renowned for his exceptional skills in battle and his near-invulnerability, Achilles is a central figure in the epic poem attributed to Homer. His journey includes themes of honor, rage, and fate, making him emblematic of heroism within Greek mythology. Achilles' conflict with Agamemnon also highlights the complexities of leadership and personal pride in the context of war.