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4th-century BC Macedonian calvary commander
Agathon (Greek: Ἀγάθων) son of Tyrimmas was the Macedonian commander of Thracian cavalry during Alexander's campaign. He played a role in the elimination of Parmenion but later he was executed by Alexander.
References
Who's who in the Age of Alexander the Great: Prosopography of Alexander's Empire Page 7 By Waldemar Heckel ISBN1-4051-1210-7