I'm going to revive this thread, because I've been using Zweilous a lot recently, and I've got quite a bit to say. I don't really understand why so few people are using Zweilous anymore. Yes, Hustle's accuracy drop sucks. However, it's still a great Pokemon. If anything, it has even MORE going for it right now, due to the abundance of Psychic-types, namely Shadow Tag Gothitelle. Additionally, it picked up a couple nice moves that it can put to great use, Superpower and Zen Headbutt. With this, there isn't many Pokemon that can safely deal with Zweilous, as Steel-types can get smacked with Superpower, while Fighting-types now have to look out for Zen Headbutt. I have to admit that the closest thing to a counter would probably be fast Fighting-types and Alomomola, especially since the latter can stall with Toxic, Wish, and Protect. However, with the right support, Zweilous can dominate, especially the Choice Scarf version. What do you guys think?