Stylianos Giannakopoulos (Greek: Στυλιανός (Στέλιος) Γιαννακόπουλος; born 12 July 1974), known mononymously as Stelios due to his long surname, is a Greek football manager and former player. During his playing career, Stelios was a winger or attacking midfielder and a well-known figure in Greek football, especially during his tenure at Bolton Wanderers and at UEFA Euro 2004, where Greece won. Wikipedia