* Origins are ancient: Swear words often have roots in taboo topics like sex, bodily functions, religion, and death. These were considered powerful and dangerous concepts, and using their names could invoke those forces.
* Evolutionary process: As language changes, words shift meaning. Words considered taboo in one era might become common later.
* Cultural influence: Different cultures have different ideas about what's considered offensive. What's a swear word in one language might be a normal word in another.
* Social change: Social norms around language change over time. Words considered shocking in one era might be considered mild or even humorous later.
So, there's no single "creator" of swear words. They're a product of language evolution, cultural norms, and shifting social values.