Was Obito, theoretically a Mizukage?

[Your Creepy Stalker]

Not officially, and they really wouldn't welcome him back, given the reign of terror, and the child murdering.

 

[NukaCola]

Well, Kisame call him Mizukage

 

[Gein]

Position of kage is appointed.

 

[Draphsin]

Position of kage is appointed.

A kage position can be usurped as well.

 

[Tantalus Thief]

No he was not a Mizukage.

 

[VongolaX]

Theoretically yes he is mizukage, stated by Kisame himself...

So yes and no at the same time.

Orochimaru was never leader of the Sand, he walked in as an ally and ended up killing the kazakage mid way through the project.

Orochimaru was still leader of the sound during through the invasion, never did Orochimaru lead the sand village back in Suna.

 

[Xāvî1]

yes he was the mizukage

 

[Zol]

Oro didn't secretly rule the sand like Obito did with Kiri. He just made a pact with them, and then killed the Kazekage and took his place right before the battle...