Who can beat Itachi?

[Hitoshi]

These guys will beat him:

Kabuto
Tobi
Madara
Nagato
Naruto
Hashirama
Sasuke

This lot have a good chance at defeating him:
Onoki
Mu
2nd Mizukage

imma just say no no no no non no no no

 

[Myogen]

People who would certainly beat him:
Rikudo-Sennin
Tobi [with Rinnegan & Bijuu]
Uchiha Madara
Naruto [Whilst in Kyuubi Form]
Hashirama

Matches that could go ether way depending on circumstance (knowledge and plot):
Minato
Hiruzen
Tobirama
Kabuto
Nagato
Jiraiya
Uchiha Itachi
Orochimaru
Onoki
Danzo
Killer B
Uchiha Sasuke
Naruto [Before taming Kurama]
Tobi [w/o Bijuu & Rinnegan]
Uchiha Shisui
Uchiha Izuna
Prime Hanzo

 

[SilverSlick]

I am not gonna say so much, but which characters can defeat Itachi ?

Okay, I would like to say Edo Madara, almost god power, Hashirama, Nagato, because Itachi got helped by Naruto and Bee, and probably Minato.
I want to put another kages into it too, but the problem is I don't know they have a chance against tsukyomi and susano, probably amaterasu, of course Izanami, fire styles. Tobi with rinnegan can beat Itachi with gedo mazo techs.

what do u guys think about it ?

Tobi with or without Rinnegan can defeat Itachi.

 

[Invsblphntm]

People who would certainly beat him:
Rikudo-Sennin
Tobi [with Rinnegan & Bijuu]
Uchiha Madara
Naruto [Whilst in Kyuubi Form]
Hashirama

Matches that could go ether way depending on circumstance (knowledge and plot):
Minato
Hiruzen
Tobirama
Kabuto
Nagato
Jiraiya
Uchiha Itachi
Onoki
Danzo
Killer B
Uchiha Sasuke
Naruto [Before taming Kurama]
Tobi [w/o Bijuu & Rinnegan]
Uchiha Shisui
Uchiha Izuna
Prime Hanzo

Nagato/Pain would defeat Itachi, manga fact.

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[Myogen]

Nagato/Pain would defeat Itachi, manga fact.

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I think he probably has better odds of winning and was slightly stronger, due to having the knowledge advantage, but to me that is simply a matter of circumstance. Itachi due to his own goals had to work as an underling of Nagato's which would give Nagato time to observe his fighting style and jutsu, while being the leader he could sit back and keep most of his own jutsu and fighting style a secret. Under different circumstances Itachi could win.