As an avid anime watcher, I can say that the Japanese is way more dramatic with their tone than those of English dubs. Trust me, when English people voice over anime, it's pretty disgusting and cringy. Only a few shows have perfected English dubbing and One Punch Man is not one of them.Dr. Axel Link wrote:I'm down for either, but I feel that more people who don't watch anime would prefer English.
Does it matter if people understand it or not? Not really. IMO Japanese would make the fight a lot better and more dramatic than dubs would, even if people can't understand it.