It's one of our first meme, inspired by a local troll : Rondo.
This user appeared on day asking of list of movies about time traveling robots.
His post got closed pretty fast because questions calling for a list of works are off topic as per our FAQ, but he came back with variant of the same question until he got suspended.
Since that, he keep pooping up and ask questions, sometime even a legit one. First, he waited until his suspension end. But since his suspension was increasingly longer, he started using a new account each time, often using an anagram of Rondo. This is annoying because moderators have to manually merge those account. But we are getting used to him as he is easy to spot because he always add his signature :