Tsunade takes hidan, even if he performs his ritual she can easily use the regeneration tech and then just kick the shit out of him.
I refuse to even believe that Guy would loose to Hidan since he defeated Kisame. Hidan wouldn't be able to pass Guy's or Lee's taijutsu, they're far beyond him, much faster and stronger, he might be immortal but he can't do shit if they brake his all bones.
Neji with his rotation defense would and gentle fists would just rape Hidan, i really don't see how is he supposed to loose, Neji could blok his chakra with 64 strikes and over all his just much better. Hidan was an idiot, brainless zombie, even Kakuzu thought of him stupid.
I also think Shino would win since he's a long range type of fighter, how would Hidan deal with his bugs? Hidan has shown not a single jutsu. He's useless. Damn, I would defeat Hidan!