He's not just a Christian, he is a Roman Catholic which also makes him a target from a few bigots.
Mel Gibson rocks! He has almost singlehandedly transformed Hollywood from the inane and banal to something spectacular.
Belief in Christ is the basis of Christianity.
You will notice I did indeed refer to Mel as a Christian, did I not? I base that on his faith in Christ, nothing else, and I defend him on that basis alone.