"Diablo Fan" is just your title. Nearly everyone here has that title, with the exception of Moderators, Admins, and anyone who has earned a custom title.
Your rank is beneath your title. Right now, yours is at "Faithful," but it will change as soon as you meet the required amount of posts for the next rank.
Your rank is beneath your title. Right now, yours is at "Faithful," but it will change as soon as you meet the required amount of posts for the next rank.