What do these two have in common?

[Sanguis]

Obito

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Tin man

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What do these two have in common?

 

[Bijuu Bomber]

They don't have a heart.

 

[AllomnisymbolsparttwoT]

Tin man was burned at the dump

 

[Hypemaster]

The both made out of tin or they both are uchihas.

 

[Fodder#4]

They both have had one eye ripped out?

 

[Optimistic]

They both look ugly.

 

[Zuru]

They don't have a heart. U_U

 

[Insidious Smile]

They don't poop ?

 

[Kira was Righteous]

They have a condition causing mental retardation ?

Rejected by women?

Want to complete the moon eye plan?

 

[Bijuu Bomber]

They don't poop ?

...wait what?

 

[Sasukesbeautifulheart19]

The letters T and O, and they were both made out of something else. Obito was a man but he had to use Zetsu's DNA just like the Tin man who was made out of wood originally.