Who could the Eternal Rivals beat that they couldn't individually?

[Kid Kakashi]

Who could Kakashi and Guy beat 2 vs 1, but couldn't 1 vs 1?

 

[Seishun]

Konohamaru

 

[gameove]

tobi

 

[-Shiro-]

obito

 

[fastrthnwind]

A good portion of the akatsuki

 

[Guardian of the Rain]

Itachi
Sasuke
Obito w/o Gedo Mazo and Bijuu
A
Onoki
Bee
Kisame fused with Samehada
KM Naruto (No clones)
Six Paths of Pain

 

[Seishun]

Itachi
Sasuke
Obito w/o Gedo Mazo and Bijuu
A
Onoki
Bee
Kisame fused with Samehada
KM Naruto (No clones)
Six Paths of Pain

Kisame fused with Samehada.. I will take that serious.. But the rest...