2 Answers

Oshen- Even though he's American he speaks Pidgin in his songs and uses a Papua New Guinean style of music.
Justin Wellington- He's Australian but he lived in Papua New Guinea and speaks pidgin in some of his songs.
Stanley Gene and Adrian Lam -both former professional rugby league players in England, and Lam also played in the NRL. Gene is currently the national coach of PNG.

Don't have a clue who they are, just grabbed them from wiki!

Jacques-Yves Cousteau (French pronunciation: [?ak iv kusto]; commonly known in English as Jacques Cousteau; 11 June 1910 – 25 June 1997)[1] was a French naval officer, explorer, conservationist, filmmaker, innovator, scientist, photographer, author and researcher who studied the sea and all forms of life in water. He co-developed the Aqua-Lung, pioneered marine conservation and was a member of the Académie française. He was also known as "le Commandant Cousteau" or "Captain Cousteau". http://en.wikipedia.org/wiki/Jacques_cousteau