User blog comment:MisterWoodhouse/Resolving your overlapping username on Fandom and Gamepedia/@comment-26831763-20200421174658

That was slightly weird. In Chromium, the log in button was greyed out unless I unhid my saved password. Then I got a 2FA challenge (via email). But then it worked, I connected gamepedia to fandom to twitch or twitch to fandom to gamepedia, or whatever permutation, and it seems to work. Yay!