While I don't have specific information on a new YouTube channel dedicated to Tekken 8, it's common for gaming channels and communities to emerge around highly anticipated games like Tekken 8 closer to their release date. Keep an eye out for announcements from official Tekken or Bandai Namco channels, as well as fan-made channels that may cover news, gameplay, and discussions about Tekken 8. Once the game is officially announced, you'll likely see more content appearing on YouTube related to it.