Any Copywriter can imitate whoever he or she wants as a freedom of thought and religion.
There are old references of other religions and other philosophical currents, that although for many can not be comparable to the history that our faith has, it can serve us to document the ancient right to free information and not control over it.
First epistle of the Apostle Saint Paul to the Corinthians. Chapter 11 (Corinthians 11.1):
And you should imitate me, just as I imitate Christ.
The Koran also says (33, 21):
Muhammad is a beautiful model, worthy of being imitated by all believers.