Ratko Čolić died on 1999-10-30.
Ratko Đokić died in 2003.
Ratko Vujović died in 1977.
Ratko Kacian died on 1949-06-18.
Ratko Djurovic died on June 17, 1998, in Belgrade, Serbia, Yugoslavia.
Ratko Buljan died on May 29, 1989, in Zagreb, Croatia, Yugoslavia.
Oli Szokolay died on September 11, 1980, in Budapest, Hungary.
he isn't dead :L
Oli from BMTH is alive. You might be confusing him with the lead singer of Suicide Silence, Mitch Lucker, who passed away in 2012.
Ratko Perić was born in 1944.
Ratko Nikolić was born in 1977.
Ratko Rudić was born in 1948.
Ratko Štritof was born in 1972.