The Isle of St Helena is possibly my favourite but has anyone mentioned the shanty "Boney"?

Boney was a warrior, Way-aye-yah
A war-ri-or, A ter-ri-or John-ny Fran-swor

Stan Hugill in "Shanties from the Seven Seas" comments on the arguments why British sailors sang about a famous enemy but concluded it was probably simply for the pleasure of using "furrin" words and phrases