Board Thread:Theories/@comment-5774380-20150820153358/@comment-176.14.201.19-20150822001531

SPOILERS! (Just in case, lol. I doubt a person who hasn't read the manga would come here, but still)

Grisha: No!

1. Grisha is dead for good. The only way to become a Shifter is to digest bone marrow of a Shifter. Try living without it.

2. Eren could not throw him up as once the Shifter is eaten and bone marrow is absorbed the former titan transforms into his human form immediately with the sound and the flash pretty much like any time when a Shifter transforms into his titan form.

Ps. He didn't command Eren to eat him. A mindless titan doesn't need a command to eat the nearest human possible, lol

Mr. Leonheart: No!

1. He is crippled by Annie (which would also mean that he is not a Shifter as he would heal OR he is not crippled and I'm mistaken; to think of it we don't know whether the villagers are all Shifters, maybe RBA and the Beast Titan are chosen ones)

2. Their characters are drastically dissimilar. Mr. Leonheart loves his daughter, and - as you remember - the Beast Titan insisted on obtaining the Coordinate first over resquing Annie. Thats not how parental love works, I reckon.

Marcel: Hell no!

For the same reason as Grisha. He couldn't survive Ymir. Ymit is not a titan => Marcel is dead for good.

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I guess the Beast Titan is just another folk from the Village. Maybe even a high-ranked one. And a mighty one too. Beating Reiner is a damn difficult task. Plus, he could turn people into titans and control them.

Or he is the third party whose aim is to get the Coordinate, betray everybody and kill everybody brutally.