You believe the universe had to have a cause and that cause is intelligent. But what make you so sure that this cause it your God? Why couldn’t it be another god or not even a god at all but an alien scientist in another universe?

Another question Do you believe in God cause the universe had to have a creator or do you believe the universe had to have a creator cause you believe in God? Which came first, the belief in a god or the belief that there has to be a creator of universe?