Me, with a 45 magnum.
right up in it.
I have answered thine question.Apparently people can't read, I said WHO, not what technique.
Madara, Oonoiki, Muu, Itachi, Obito, Shinju, Hagoromo
Assuming no other curse seals exist to bring him back.
Basically anyone on possession of a one shot massive collateral damage technique: which virtually erases the existence of things. Itachi only for the Totsuka.
The only other theoretical is Shisui with a KA order to commit suicide: Lelouch vi Brittainia style.
No, Oral Rebirth.without edos tsunade can
Itachi
Hiruzen
Minato
Onoki
Muu
Naruto
Bee
Nagato
Possibly Sasuke (only if enton covers him head to toe.)
Possibly Sasori (poison paralyzes him and he dies within 3 days.)
Possibly Hanzo (poison.)
Killing him is killing him. When he's dead he needs support from an ally which means it's 2 on 1. If that's what you want then you need to specify.You must be registered for see images