1.Naruto- its already shown
2.1 hokage- due to sage chakra
3.Orochimaru-absorbed kabuto powers making them his
4. Juugo- has sage chakra but cant control it
5.Sasuke- because he might have curse mark due to jugo
6. Lee- obito's technique turns all ninjutsu to nothing but it hasnt been clarified if he is also immune to taijutsu
7. Guy- Same reason as lee
8. Madara- he posses high level genjutsu which might be capable of harm to obito
9.Sakura- Same reason as lee
10.Tsunade-same reason as lee
I'm sure of the first 4
2.1 hokage- due to sage chakra
3.Orochimaru-absorbed kabuto powers making them his
4. Juugo- has sage chakra but cant control it
5.Sasuke- because he might have curse mark due to jugo
6. Lee- obito's technique turns all ninjutsu to nothing but it hasnt been clarified if he is also immune to taijutsu
7. Guy- Same reason as lee
8. Madara- he posses high level genjutsu which might be capable of harm to obito
9.Sakura- Same reason as lee
10.Tsunade-same reason as lee
I'm sure of the first 4