So this is some of the attack on titan characters birthdays.
Eren J/Yaeger- March 30
Mikasa Ackerman- February 10
Arming Artlet- November 3
Levi Ackerman- December 25
Hanji Zoe- September 5
Erwin Smith - October 14
Sasha Blouse- July 26
Connie Springer - May 2
Jean Kirstein- April 7
Marco Bott- June 16
Annie Leonhart - March 22
Reiner Braun- Agust 1
Bertolt Hoover- December 30
Christa Renz or Historia Reiss- January 15
Ymir- February 15
Mike Zachairus ( The weird guy who smells people and titans )- November 1
( deceased members of squad Levi )
Eld Jinn- January 30
Oluo Bozado- Jauary 6
Gunter Schultz- July 30
Petra Ral- December 6
Unfortunately, characters like Hannes, Keith, Eren's parents and who ever else birthdays were not given or put online yet, so I wasn't able to give all the birthdays.
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