Steve Petro from 1973 to 1984. Steve's Pitt nickname was "The Rock," based on Petro, a derivation of the Greek word petros, which means rock. The Pitt Panther mascot's nickname is ROC, in Steve's honor. Steve Petro Stephen Lawrence Petro (October 21, 1914 – August 15, 1994) was an American football guard who played two seasons with the Brooklyn Dodgers of the National Football League (NFL). He was drafted by the Pittsburgh Pirates in the ninth round of the 1939 NFL Draft. He played college football at the University of Pittsburgh and attended Greater Johnstown High School in Johnstown, Pennsylvania. Steve played
Petros S. Kokkalis Petros S. Kokkalis Petros S. Kokkalis (; born 1970) is a Greek businessman. Petros Kokkalis holds a B.A. from Hampshire College with a concentration in history; his Division III title was “Making the Love of My People: Constructing Legitimacy for the Monarchy in Late 19th Century Greece.” He earned his M.P.A. at the John F. Kennedy School of Government at Harvard University, where he serves as a member of the Dean’s Alumni Leadership Council. He was the Vice-President and shareholder of Intracom Holdings, one of the largest multinational technology groups in South-Eastern Europe, and the Vice-President and shareholder of Intralot