Atheism is a religion. It has figure heads, Dennet, Dawkins, and Harris.
Atheism is not a religion. Those are not figureheads, just prominent atheists.
It has established norms, belief in science.
Lack of believe in the supernatural(atheism just means no belief in a god).
To mock and tease religion(I do this part myself).
Nope, nope, nope and nope. All atheism has is the absence of belief in God. There are no other requirements. Some atheists like science, some don't. Some believe in supernatural things, some don't. Some mock and tease religion, some don't. None of those things indicate religion.
To use cliche and repetitive quotes like "atheism is not a religion" or "God of the gaps".
1) Not all atheists do these things either.
2) Whether or not they do is irrelevant to whether atheism is a religion. It is not. The two arguments you present here are legitimate rational arguments. Atheism and theism are not religions, and "God of the gaps" accurately describes how gods have been used throughout history.
I am specifically referring to New Atheism though although most atheists are "New Atheists". You seem to be one of them. Congratulations for figuring out you are religious
You're referring to a certain portion of atheists, and not making a valid case for them being religious, much less for atheism itself being a religion.
Also to have a religion you must have ethics, metaphysics, and orthodoxy. I shall sum it up to you briefly: Abortion, Big Bang, and science. I rest my case
You probably should rest your case, as it hasn't proved itself valid.