Welcome to HBH! If you had an account on hellboundhacker.org you will need to reset your password using the Lost Password system before you will be able to login.
Router Problems
Reset the router. Then reset the passwords to something you like. Lock him out.
Better yet, just plug the cable directly into your comp and bypass the router all together.
I don't know your situation well enough but there are a ton of ways to get what you want. If he is trying to keep you from "hacking" then just……hack!