Former Canadian Prime Minister Jean Chrétien...
... and the whole pie-in-face fiasco, because I was young when Chrétien was in, and that's pretty much all I remember about him.
I find it a bit hard to say and spell, and displeasingly harsh. Christian, and my favorite, Cristian, are much nicer. As I've only ever known Chrétien as a surname, and I strongly dislike surnames-as-first-names, that's a double strike for me.