Catholic Church, like any other religious corporation, wants to attract ALL people. And if it doesn't want to attract a certain type of people(a very rare situation), it pushes them in a manageable direction, like Satanism.
It's a good mascot for kids that will probably make a lot of money for the Vatican. There's no pornographic implication here, albeit there is a slight leaning toward Satanism, which is normal for the Catholic Church(they make a profit from both Christians and anti-Christians).