[ Thank you mister wikipedia. That's a lot of useful knowledge! Too bad that instead of thanking for that he focuses on one part- ]

Polite. [ Caster repeats flatly with an annoyed grimace. ] They must have a different definition of that word. The bastard stole and broke my fishing rod! How is that polite!

[ An argument could be made, that kappa was only protecting their own natural habitat - maybe the fishes belonged to him? like pets, or flock of chickens? -, but Caster conveniently ignores that route of thinking.

That fishing rod was hand-made, he's in every right of avenging it. ]