Worlds can have very surprising things in common. I can think of half a dozen that share magic systems similar to mine... But yes, coincidences are even more likely.

[This won't stop him for noting it down in his dedicated journal, however. Coincidences are coincidences, but they can add up.]

Naming a Pokémon after someone you respect is an excellent way to honor them, especially if the person in question has forged a quality weapon. It's such a shame our blades have not followed us here! Considering the number of combattants that find their way to this world, we could surely behold some truly wonderful collections.