[3][4] He is the brother of the well-known Canadian children's entertainer Raffi and of Ann Cavoukian, the former Information and Privacy Commissioner of Ontario.

[5][7] His grandfather escaped Turkey during the Armenian genocide, moving to Egypt.

[1] During his career, Cavouk's subjects included Indira Gandhi, the Queen Mother, Queen Elizabeth II, Oscar Peterson, Pierre and Margaret Trudeau, Leonid Brezhnev, Patrick Macnee, Hubert Humphrey, and Pat Nixon.

[5][8] Three Canadian stamps have been made from portraits by Cavouk, of Roland Michener, Maureen Forrester, and Sam McLaughlin respectively.

[5][9] After spending most of his adult life in Toronto, Cavouk moved in April 2006 to Winona, Ontario, on a property next to Fifty Point Conservation Area.