As a moderator this concerns me because it immediately triggers a 'this is a bot or nefarious actor' instinct. Is there any reason not to be wary of these accounts?
Which the reason afaik they have such a weird name is:
Wierdly, when I click on the link I get a 'server cannot handle the request error'.
Regardless, I agree that it 'acts' like a legit account, but still think it's sus as hell. That entry in the modlog is from today, but I've definitely handled similar accounts in the past, and seen others do so elsewhere.