The Bible warns that many false prophets will come in Jesus's name.
Peter Theil pretends to be a Christian but he is a Satanist.

Roman Papalists claim that the Moslems and the Jews worship the same God as Christians.
This is a lie.
Jesus said "I am the Way, the Truth, and the Life. No man cometh unto the Father but through Me."
Jesus said to the Pharisees that if they believed Abraham, then they would believe in Him because he is the God of Abraham!