Giannis Sina Ugo Antetokounmpo is a Greek-Nigerian professional basketball player for the Milwaukee Bucks of the National Basketball Association (NBA). Athanasios Rotimi "Thanasis" Antetokounmpo is a Greek professional basketball player for the Milwaukee Bucks of the National Basketball Association (NBA). Konstantinos Ndubuisi "Kostas" Antetokounmpo is a Greek professional basketball player for ASVEL Basket of the LNB Pro A and the Euroleague. He played college basketball for the Dayton Flyers. Source