Nagato and Sasuke I see as high diff.
Tobirama doesn't have the fire power to deal with multiple clones. Naruto has hazard perception to deal with FTG sneak attacks. Also Tobirama won't know which clone is the real one. I'm also inclined to say SM Naruto clone> Tobirama in taijutsu.
Itachi's susanoo is destroyed by either of the techniques i posted in OP. Itachi can only use his 1 shot techniques 3 times. (Ama and Tsu) Kage bunshin and threat perception help Naruto avoid. Again SM Naruto>Itachi in taijutsu.
Alive Minato, lacks fire power and kage bunshin stomp.
Killer Bee is a nah.
EMS Sasuke has Perfect Susanoo, so he obviously takes SM Naruto with mid diff at most, since Naruto simply can't damage him.
And Nagato at full power could just Chibaku him.
About Tobirama I doubt you're right about Taijutsu considering Tobiramas speed, but in any case he does have fire power enough: Chain Explosion thing. Or you don't count that??? I certainly do. But even without that he still has some very powerful water jutsus. I bet he could take down a lot of clones with the one he used to chop the God Tree.
And Itachi: No.
The huge rasengangs wont be enough, but the huge rasenshuriken could possible take down Susanoo. But Itachi wouldn't allow that ofc. He'd simply amaterasu Naruto (or the clone) using the rasenshuriken. And about taijutsu Itachi can atleast match Naruto's speed so it's not like he's getting owned in taijutsu.
And don't forget Yasaka Magatama, I'm sure he could use that to take down a good amount of clones and leave the real Naruto exposed for Amaterasu. And I'm sorry to bring this up but besides Rasenshuriken Naruto is a close range fighter, which means Itachi might get a chance to use Totsuka on him
About Minato you might actually be right. Naruto would ofc still have problems keeping up cause of FTG, but he could possibly still win the match cause of his sensing.
And yes Killer Bee can beat him. He's actually superior I Taijutsu/Kenjutsu with his great speed and strength + 7 swords dance and Samehada and stuff like that. On top of that he has greater firepower: TBB > Super Rasenshuriken and when he's in Eight Tails form he can tank most attacks.
The only problem I see is Naruto's summons, but he can probably deal with that pretty easily in Eight Tails Form.