Board Thread:Support Requests - Getting Started/@comment-46749165-20200829002656/@comment-34888194-20200829015219

Looking at the wiki, it does look like you're the bureaucrat of the wiki, so you should be able to unblock yourself if someone blocked you. Also, you need to be aware that founders do not have the ability to remove a bureaucrat right once they're granted. The founder tag indicate that the user has founded the wiki, nothing else.

Also, even if you are just a user in a wiki (meaning you do not have local user rights in that wiki), staff normally do not interfere with local blocks (which means usually it's up to admins to decide to blocks). You'll have to appeal your block with the blocking admin here in their Community Central wall. But as I said, you're the bureaucrat of the wiki, so you can unblock yourself by going to the contribution page and you're unblocked. No need to contact Fandom Staff at all.

That also tells you not to grant someone to a bureaucrat at the first place...