I used Pokemon Bank to transfer Kazaa (my D/P in-game Abra trade) to my X game. It ended up being Japanese. I guess there's a chance that I somehow traded someone else for a Japanese Kazaa (though I'm not sure why I'd want one), but I guess it's worth mentioning?
"Murder of the living is tragic, but murder of the idea is unforgivable." - Janus, speaker of the synod