Defictionalization: Supercell assumes the name Egoist whenever Chelly is doing vocals. Yes, it's more or less a real band under an actual label.
"Shoe", or more rarely "Oh my shoe!" After
Episode 15, people started calling him "Shuuher" and "Hitler" as well. Shuuzaku and Shoelouch are also thrown about quite a bit.
Oumiya Shurou, after getting the third Void genome, which manifests as a replacement arm, and allows him to use any Void he used previously as his own, but with his body degrading more and more. Just like Shirou's situation in
Heaven's Feel. After her display of Endlave-slashing in Episode 18, for Inori.
Kerrigan the Queen of Blades Souta is sometimes referred to as "Soda".
Arisa has been called "The Whore of Babylon" due to her sleeping with one of Shu's lackeys and leading the coup d'etat against Shu.
"F-ranks" are often shortened to "Franks", partly due to Insane Troll Logic connecting them to Anne Frank.
Scythe-tan for the girl who wields a scythe.
Daath/Yuu is commonly called " Darth Mugi" due to his thick eyebrows.
He is also known as "Bushy Brows".
"Tsugumi's Rice Cooker" for Funell.
Hey, It's That Voice!/ All-Star Cast:
The original cast:
Shu is Hope, Eren Yeager, Ace, Haruyuki, and Finny.
Inori and Mana are Menma, Hibino, and Roman.
Gai is Hazama, Fei Long, Gray, and Graham Aker.
And Young Gai is Viletta, Robin and Chachamaru.
Tsugumi is Azusa, Kirino and Ayumi.
Ayase is Anri, Mayushi and Shiro.
Kanon is Serah, Blue Rose and Mitsuko.
Daryl is Roxas, Ven, Soul Eater, Banagher, and Neku. And Playing Against Type as an Ax-Crazy Blood Knight to boot!
Souta is Shinpachi, Youhei and Claire.
Arisa is Miyuki, Leanne and Sheryl Nome.
Yahiro is Rolo, Romeo and Jun.
Shibungi is...well, !
too many to list Major Segai is Guts (before being darrin'd years later), Basara and Knuckles.
Kenji is Rin and Accelerator.
Shuichiro is Kakashi, Angeal and November 11.
Hare is Millais, Kurumi, and Luxe.
Kuroso is Senketsu, Momotaros, Rau le Creuset, and Duo Maxwell.
In the English dub:
Shu is Accelerator and Ayumu Aikawa.
Inori and Mana are Sun, Moka, and Saya.
Gai is Soul Eater, Toma, and Ao.
Tsugumi is Renge, Tsubaki, and Stocking.
Ayase is Kotomi, Kanade, and Minene Uryuu.
Daryl is Brief, Jacuzzi, and Takumi.
Arisa is Winry, Haruhi, and Phryne.
Shibungi is Kyoya, Sebastian, and Okabe.
Major Segai is Gendo, Van Hohenheim and Lord Death.
Kenji is Ganta, Kouichi, and Negi Springfield.
Hare is Happy, Eris, and Mizore.
Kuroso Ouma is Firo Prochainezo, Death the Kid, and Ling Yao.
Relationship Voice Actor: In the dub, Gai and Shu have the same actors as Toma and Accelerator (but with the viewpoints flipped this time).