The Zombi Argument in Philosophy, Is It Really a Thought Experiment?

The zombi argument really is the thought experiment that describes epiphenomenalism. The extreme version of this thought experiment says we can at least imagine a being physically identical to a normal human being, but without any subjective consciousness. Why talk about my zombi twin? You know, a hypothetical being in the universe next door who's physically identical to me. He's holdyn onversation like this with a zombe, analogue of you. But right now it seems it actualy corresponds to the science for anything that we actually do - perception, learning, memory, language and so on. It starts to look as if a somby could do all the same things