My own messages will be signed as Butterfree, with the Admin label below my name. If someone signs as Butterfree without that label, it's probably not me.
I realize there was a leak and the fact it's proved accurate so far means it's highly likely to be accurate about the rest, but I'm not putting names on here until they're officially confirmed, as a matter of policy.
In case you didn't see, all of the new english names have been leaked a month ago:
Page last modified February 21 2018 at 20:11 GMT