The relevant WP policy is to put the IPA notation after the article title I m sure no one would say Boo if you added a note about his name frequently being mispronounced but there really is no way for a native english speaker with no knowledge of spanish to properly pronounce his name The ch sound in south american spanish is a slightly different voiceless postalveolar affricate than in english The inflection is also very different As said above Americans don t pronounce Paris Paree and neither do the French It s pronounced with an uvular trill