Lots of people go by something other than their birth name. Sometimes it's a middle name, while other times it's nickname or a shortened version of the name on their birth certificate. Either way, it shouldn't come as a surprise that even the royals do this.
Take Kate Middleton, for example. Given that her title is Catherine, Duchess of Cambridge, most people probably know that Kate the diminutive of Catherine. But could you guess which of the other royals chooses to go by something other than his or her Christian name? Hint: He is very beloved member of the British royal family, and he's known for one very distinctive feature.
Give up? Okay, the answer is Prince Harry! Now, if you're thinking "Oh, duh! Harry must be short for Harold," we wouldn't blame you, but you still wouldn't be right. Close, but no cigar. Wondering what Harry is short for? Watch the video below to find out.