I'm a Nihilist, so yeah. He doesn't exist. There is no proof of his existence....Oh and dont say "but there is no proof he doesn't exist lolololol" because there actually is.....It's called the laws of Physics.
Afterlife: You know when you are asleep? You dont feel anything, you dont remember anything that happened while you were asleep (unless you were dreaming). When you are asleep and not dreaming is what I think death is like.