Who was the champion of Greeks?

There's no single "champion of the Greeks" as the concept is too broad. However, depending on what you're looking for, there are a few possibilities:

In mythology:

* Heracles (Hercules): A demigod known for his strength and completing 12 Labors. He embodies Greek ideals of courage and perseverance.

* Achilles: A hero of the Trojan War, famous for his invulnerability and tragic downfall. He represents Greek heroism and the price of war.

* Odysseus: The cunning and resourceful king of Ithaca, known for his long journey home after the Trojan War. He embodies Greek intelligence and resourcefulness.

In history:

* Alexander the Great: A Macedonian king who conquered a vast empire, spreading Greek culture. He is considered a military genius and a symbol of Greek power.

* Leonidas: The Spartan king who led the defense of Thermopylae against the Persian army. He represents Greek bravery and self-sacrifice.

* Pericles: A statesman and orator who led Athens during its Golden Age. He represents Greek democracy and intellectual achievement.

Ultimately, the "champion of the Greeks" depends on the specific criteria you're looking for. Do you want a mythical hero, a historical leader, or someone who embodies specific Greek values?

Could you please clarify what you mean by "champion"? This will help me give you a more specific answer.