Theagenes was an ancient Greek poet and athlete, known for his contributions to the genre of epic poetry. He lived during the 5th century BCE and is often associated with the city of Thasos. His works, although mostly lost, were influential in the development of later Greek literature. In addition to his poetry, Theagenes was recognized for his athletic prowess, particularly in the Olympic Games. He is remembered for his unique blend of literary and physical achievements, which exemplified the ideal of the well-rounded individual in ancient Greek culture.