Going back to the link provided by Monique - 
Date: 28 Apr 17 - 09:37
https://www.youtube.com/watch?v=FX3ITew9Mpw 
it is spoken by the Belgian writer Stan Lauryssens - @ 31:47
and @ 33:20

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Wikipedia has
Hercule Poirot (/ɜːrˈkjuːl pwɑːrˈoʊ/;
French pronunciation: ​[ɛʁkyl pwaʁo])
https://en.m.wikipedia.org/wiki/Hercule_Poirot