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 Kokkalis During the Nazi Occupation of Greece he joined the left-wing National Liberation Front (EAM), and became a Minister in EAM's government that controlled the liberated areas of Greece, under guerrilla control, the Political Committee of National Liberation (PEEA). Later, in the Greek Civil War, he was a minister in the internationally unrecognized Provisional Democratic Government. After the defeat of the communists, he fled to East Germany, where he continued his academic career. He died in East Berlin in 1962, aged 66, after suffering a myocardial infarction. Petros Kokkalis Petros Kokkalis (Greek: Πέτρος Κόκκαλης, 1896 - 1962) was a Greek medical