Topic: Beta Pokemon Gold names

As you may or may not know, a beta of Pokemon Gold was leaked, and with it, a bunch of scrapped pokemon.

The beta was, of course, in Japanese, but the people who ripped it provided fan-localized names for each of the scrapped pokemon (and non-scrapped pokemon that had different names):

https://i.imgur.com/uDMFpNO.png

These fan-localized names seem to be used more often than the official japanese names.
My question is: should these be tagged with the japanese name, or the fan-localized one if it's use more commonly?

Updated by Furrin Gok