H'rull was the main villian at the end of the Invasion Arc of Danny Phantom: Wraith. He was once the weakest of Queen Salener's underlings, being pushed around by her and the others until it was revealed he was the last of a powerful alien race that once dominated the universe. After reaching his race's primary form and state, he killed the Queen and her entire Empire to destroy the Earth himself, but not before testing the stregnth of Danny and his allies