What Mark Twain views of religion in Huck Finn?

I know Mark twain mocks religion in this story through superstition and actions of the "church" people. what are very specific examples of this in the book? and would you agree that mark Twain's opinion of religion is that it is great to have values of christianity but not to be hypocritical, and act in ways that a church person should not.i hope it makes sense the way i worded it. but anyways thanks for your opinions. and no thanks for the people who simply say"idk" just to get points for answering the question. :]