I am terrible at trivia quizes, but youngest son Cashbury (or whatever his elder brother Bashbury currently calls him in TD context) pretty regularly aces it. He derives some pleasure in getting a good rarity score, or whatever it's called. when Twins are involved. He was pretty proud today of this one: (scroll away quick if you don't want to be spoiled)
am-Say uld-Fay. Good for him.