Eren: Let It Go! Let It GO! Can't hold it back anymore!
Mikasa: I Won't Say I'm In Love... (with Eren)
Armin: I Wanna Be Like You! I wanna walk like you! Talk like you, too!
Historia: Girl, we've got work to do. Pass me the paint and glue. Perfect isn't Easy, but it's meeeee! When one knows the world is watching, one does what one must. Some minor adjustments, darling. Not for my vanity, but for humanity!
Marco: Horses are better than people. Jean, don't you think that's true?
Jean: Yes, people will beat you, and curse you, and cheat you. Everyone of them's bad, except you.
Marco: Awe, thanks buddy! But people smell better than horses. Jean, don't you think I'm right?
Jean: That's once again true, for all except you.
Marco: You got me. Let's call it a night.
Connie: Hakuna Matata, what a wonderful phrase.
Sasha: Hakuna Matata, ain't no passing craze!
Connie/Sasha: It's our problem freeeeeee philosophyyyyyy! Hakuna Matata...
Ymir: The sound of Eren's dying gasp! His best friend squealing in my grasp! His Asian sister's mournful cry! That's My Lullaby!
Annie: Now the past I've tried forgetting, and my foes I could forgive. Trouble is I know it's petty, but I hate to let them live.
Berthold: So you've found yourself somebody who'll chase mankind up a tree! *talking about himself*
Ymir: Oh, the battle may be bloody, but that kinda works for me.
Reiner: The melody of angry growls. A counterpoint of painful howls. A symphony of death, oh my!
All: That's my lullaby!
Hangi: TOPSY TURVY!!! My whole mind is upsy daisy! TOPSY TURVY!! I'm the one who's acting crazy!!
Levi: ..... *glances at Hangi*
Hangi: Our boy Levi is so hot, steam looks cool. Zero to Hero! In no time flat! Zero to Hero! Just like that!
Erwin: Be Prepaaaaaaared!
Eren: Yes, my teeth and ambitions are bared!
Survey Corps (or whatever they're called): BE PREPAAAAAAARED!