Duke Lukela is a character of the original series of Hawaii Five-O.
Edward "Duke" Lukela was a HPD officer, later promoted to HPD detective in 1975 and Five-O detective in 1976. He was accused of police corruption, but the accusations were later removed.
Duke is son of missionaries. He has a 22-year cousin who lives in Maui and had a baby with a man that disappeared after the baby was born. Duke helped her open a little store there.