We found the original account of the Zxzxzx person (Fox News)

Many people who use comicvine probably have encountered that zxzxzxz person which has been trolling longer than any other person ever did on the internet. After a lot of research, including some old timers that knew that person as well as the help of a moderator, we found the original account of that person, they were called "terminatorxx" and they are one of the oldest users of comicvine (dating to more than a decade ago),

https://comicvine.gamespot.com/profile/terminatorxx/

they used to communicate normally for the most part, but always had a tendency to be against dc and marvel, while supporting various horror characters like freddy krueger, others like skynet and the terminators, and the types of alex mercer and so on, but after a while they stopped using the main account and started making various alt accounts simply attacking marvel/dc and praising other characters, but they were not yet named "zxzxz", this is one of their earliest alts, called "accountafteraccount" it still communicated kinda normally but

https://comicvine.gamespot.com/profile/accountafteraccount

and some period later than that it devolved into the zxzxzxz persona making hundreds of different zxzxzx accounts every other day and making anti-dc and anti-marvel posts and comments, this is the whole story summary, what caused them to do that not sure, but others here that knew the person said that the moderators punished that person and it turned out into this