Pagan
A person who believes in more than one god, or any religion that's not Christian, Jewish, or Islamic. They also probably think you're a fool.
My uncle’s a pagan. He thinks the fridge is a god and offers it candy every day.
My friend’s a pagan. He has a statue of a goat and thinks it’s a god.
My brother’s a pagan. He thinks the internet is a god and talks to it every night.