Someone didn't. God did.
No, not unless they (or someone else) are worshiping it.
The word for false worship is idolatry. It involves giving excessive devotion or reverence to something or someone other than God.
god isnt real ok someone doesnt live in air do they just think about it
you can say idol instead of false god.
False
I believe that whenever someone dies and goes to heaven they come angels!
False
Yes they would be false gods to Christians. As would the Christian god be a false god to those that believed in the Greek gods.
Aphrodite is a false god.
yes they did believe in a god it was a false god
If you are talking about the monotheistic Abrahamic religion, then, no, God did not invent himself. He is by definition, the First Cause, someone always extant.