Demons of thunder and lightning (Up For Adoption)

The devils after their war saw that they had received several casualties from pure demons, so in a desperate attempt they created forced marriages within all these forced marriages there was one that would unknowingly bring the two most powerful demons of all

The Paimon house, one specialized in electrical attacks, since Zeus and Thor himself admitted that they were really good at handling this element

And the second clan was the Phoenix clan, which, as its name says, possesses the abilities of said mythical bird.

Thanks to that marriage, the most powerful demons that had never been seen before would be born.

Issei Paimon Phoenix

AND

Goujo Paimon Phoenix