- Jaw Titan : Marcell Galliard, Ymir, Porco Galliard, Falco Grice (aktif)
- Cart Titan : Pieck Finger (aktif)
- Founding Titan : Ymir Fritz, Karl Fritz, Uri Reiss, Frieda Reiss, Grisha Yaeger, Eren Yaeger (aktif)
- Warhammer Titan : Lady Tybur, Eren Yaeger (aktif)
Berikut ini beberapa tokoh utama atau karakter yang ada di Attack on Titan:
- Eren Yaeger
- Mikasa Ackerman
- Armin Arlert
Anggota Scout Regiment
- Jean Kirstein
- Connie Springer
- Sasha Blouse
- Historia Reiss
- Ymir
- Marco Bott
- Erwin Smith
- Levi
- Hange Zoe
- Mike Zacharius
- Marlo Freudenberg
- Floch
Garrison Squad
- Dot Pixis
- Hannes
- Ian Dietrich
- Rico Brzenska
- Mitabi Jarnach
- Kitz Weilman