Eren Yeager

Eren Yeager is the main protagonist of Shingeki no Kyojin.

Free
He's free. Wants to vaporize all the oxygen.

Also killed his mom.

Season 7
Joins BCW to gain enough power to vaporize oxygen.

Who?

Season 8
HE'S A CUCK OH NO NO AHAHAHAHAHAHAHA ALSO A BIRD.