I named my cat (RL one O.o) "Onry" inspired from the "JP ONRY" we used to see a lot of in FFXI
Honestly though, it's more about being comfortable communicating strategies than anything, would be quite hard when they can't speak English properly and you can't speak Japanese.
Of course you still have those who outright refuse English speakers for no reason, much like you have English speakers who don't like grouping with French speakers, etc.