User blog comment:DancePowderer/Doflamingo's Epithet/@comment-3181121-20110104130612/@comment-1595565-20110104234730

I know it would break the trends, but you can't help but wonder about stuff like that. Sure, maybe somewhere down the road we'll find out that Drake's jolly roger is a solid red flag, or that Devon is a werewolf who only changes during crescent moons. But until then, it is sort of a hole in their past, despite how little of it is known. There were defining past moments for how some characters got their epithets, like Robin is the Demon Child because she is from Ohara. If her epithet had been used prior to Water 7, no one would be able to make heads or tails of it. Kuma too, we don't know exactly why he was called Tyrant, even though it's not hard to venture a guess. There are some gray area epithets, some of them may get explained eventually, like Robin's, while some can leave the reader guessing or in the dark.