Better Brother Combo?

[sharingansennin]

1. Itachi & Sasuke

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2. Luffy & Ace

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3. Goten & Gohan

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4. Elric Brothers

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[HENI]

Last one is the best

 

[Pirate King]

elric bros
ace and luffy
uchiha bros
goten and gohan

 

[SusanooKyuubi]

Elric Brothers, they have better chemistry of all the siblings (Excluding Ace and Luffy, since I don't follow One Piece)

 

[JasonTheArgonaut]

Elrics above the rest

 

[Princess Kaguya]

The Elric brothers.

 

[Aomine Daiki]

Uchiha brothers

 

[J4sm1n4]

Uchiha and Elric brothers