S

These characters are oppressive at what they do, being unrelenting and generally far exceeding any other character in their role at their job, sometimes even extending into other roles as well. These characters lack many abusable weaknesses and tend to actually require counter picks or massive number advantage in order to efficiently beat.

Might Gai
Shizune
Kin
Deva Pein
Rock Lee
Deidara
Yoroi
Aoba

A
Strong characters who

Kiba
Iruka
Yagura
Roshi
Kakuzu
Sasori
Minato
Yamato
Nagato
Kisame
Karin
Itachi
Jinpachi
Hidan
Jirobo
Kurenai

B
Zaku
Juugo
Kimmimaro
Haku
Fu
Konan
Sasuke
Kabuto
Mei
Asura Pein
Animal Pein
Human Pein
Preta Pein
Ino
Chouji
Yugito
Tobi
Ameyuri
Kidomaru
Suigetsu
Asuma
Zabuza

C
Neji
Sakon
Tayuya
Kushimaru
Fuguki
Tenten
Kurotsuchi
Naraka Pein
Shikamaru
Mifune
Misumi
Jinin
Dosu
Anko
Hinata

D
Torune
Gari
Shino