I have a buy one, get one free special on trivia today:
Thagomizer' - a term coined not by a paleontologist, but by cartoonist Gary Larson in a 1982 Far Side drawing, where it was explained (by a caveman) that it was named 'after the late Thag Simmons'.
Lieutenant Colonel Jack Churchill held the unusual distinction of being the only British soldier in WWII on record as having killed an enemy soldier with a longbow. 'Mad Jack' Churchill insisted on going into battle armed not only with the medieval bow, but also a claymore sword. After WWII, he got into surfing, and became the first man to ride the River Severn's tidal bore.