Waterproof (ɗan kamanci)

John Grahl (ya mutu a shekara ta 2009), wanda kuma ake kira Waterproof, ya kasance ɗan wasan barkwanci kuma ɗan wasan Ghana. Ya fito a cikin shirye-shirye da yawa kuma shine dan wasan barkwanci na farko a Ghana.

 Manazar