Star Wars - Who Is Snoke?

Vader is technically supposed to have like his master's supposed to be Sidious, right? Yeah. So I was like, who is it that is able to like hold Vader's ear and get like tantalize him with the prospect of reaching immortality? And so my curiosity was like, I'm like,Who is this guy? I want to learn more. But yeah, once he disappears, that's it. Then something really interesting happens because Vader kind of kneels down and takes off his, the back of his helmet,. He says, does he say? Oh, I don't remember. Had me or something? He says something like that. It sounds like Anakin Skywalker.