How do you feel about the Latter Day Saints?
Wait... that isn't a parody religion too?
The Latter Day Saints Movement was never meant as a parody religion. Joseph Smith Jr truly believed what he preached. He saw inconsistencies among the various Christian sects of the day and the King James Translation of the Bible. What Joseph taught was supposed to remedy that; it was never meant to be taken as a work of fiction, or used to parody the mainstream. Whether he taught eternal truth is a matter of faith. I believe, you probably don't. Let's live and let live.
As another poster pointed out, the Flying Spaghetti Monster was created as a strawman to religion. The idea of the FSM is so ridiculous that no one would take it seriously, but there's just as much scientific evidence for this fantasy as for the creation stories of religions. People invoke the name of the FSM to mock treating religion as science, and to laugh at all blind faith.
Another modern example of a created religion is the Jedi movement. Jedi groups have a philosophy based on a fictional movie. We can trace down the origins. The creator is still alive and doesn't claim it was meant to become a religion.