I agree Mormonism is a strange religion. It is, however, quite obviously based on Christianity, although it is equally obviously a rather extreme variant.
You are entirely welcome to refuse to vote for a candidate for religious reasons. Personally I think a candidate’s religion is one of the less important factors.
Well, as far as using the same names as Biblical characters, in that respect, it is similar
but it is NOT Christian, and someone who believes that he can become a god of his own planet, as far as I am concerned, that person is a fruitcake.