One of them is following me, but with a bunch of extra spaces after the exclamation point.
I don’t usually check my followers, but I happened to be in there a couple days ago. The only person following me then was my wife, so this bot/spam is relatively new.
I still say “Rufio! Rufio!” almost every time I see a picture or mention of Dante Brasco, which is more frequently than you might think since ATLA is one of my comfort/background shows.