Charles Turu Tumahai (14 January 1949 – 21 December 1995) was a New Zealand singer, bass player and songwriter who was a member of several noted rock groups in New Zealand, Australia and the UK. He is best known internationally as the bassist and backing vocalist in Bill Nelson's Be-Bop Deluxe.
Tumahai was born in Ōrākei, Auckland, New Zealand, where he began his music career before moving to Australia in the late 1960s. He was a member of several notable Australian bands including Chain, Healing Force, Friends and Mississippi (which later evolved into Little River Band).
