clark "jethro" gillies (april 7, 1954 – january 21, 2022) was a canadian professional ice hockey player. he played for the new york islanders and buffalo sabres of the national hockey league between 1974 and 1988. gilles was captain of the islanders from 1977 to 1979. he won the stanley cup four years in a row with them, from 1980 to 1983. he was elected to the hockey hall of fame in 2002. gillies was born in moose jaw, saskatchewan, canada.