User blog comment:IamJakuhoRaikoben/Chapter 292: Combine The Thoughts, Review./@comment-4829046-20120720173354/@comment-5161856-20120720174957

Mashima is a fan of DBZ. That would be really exciting if there is someone who'll be a lot stronger to fight with.

Just look at Mira (a female Super Saiyan Demon) - Mashima clearly based it on DBZ.