A recent Calvin and Hobbes re-run:

The general principle is that whoever discovers (or invents or even just promulgates) something has naming rights, and there are a number of circumstances in which these rights are recognized, though in some — the binomial nomenclature of biology, for instance — there are official bodies that oversee the naming.
It turns out that it’s not very common for someone to name a place, concrete object, idea, product, whatever after themselves, as Calvin and Hobbes both do in the cartoon; descriptive names are much more common, and even in the world of eponymy, naming in honor of someone or something is much more common than naming for oneself . In addition, when something is named after someone, the naming is often done by someone other than the originator.
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