Whoo-hoo Three Step is a Canuck!!!

You know what "hafanana" sounds like to me - scat. It sound like scat from a non-anglosaxon background.

Afric Simone speaks German, English, Portuguese, French and various African languages, however his songs are written in the mixture of Swahili and few words from other languages. This idea resulted in a mixture of his own native tongue and European Happy Sound.

-via wikipedia

it is what is generally known as 'pig latin'. IN other words, he just makes up sounds, and not in any particular language. I think long time ago I've heard/read the interview with him.