/ headcanons :
- he’s overprotective of historia. if anyone even goes within 5 inches of her he will not hesitate to stab them.
- his titan is called the ‘royal titan’ & it has the coordinate ability.
- can’t sleep in the dark. though he rarely sleeps he absolutely can not sleep in darkness or he’ll get nightmares.
- hates his father and blames him for the reason he ended up becoming a titan.
- likes to play with strands of his hair.
- he treats armin a bit like historia too , if someone hurts the blonde edison will literally murder them.
- he likes hard candy since it’s his childhood snack.
- in season four , his hair grows longer so he likes to style it different ways.
- has a very obvious crush on armin.
- he and historia have a good relationship as siblings even though they were seperated for a lot of years.
- no , edison. ricky montgomery is not therapy.
- edison and ymir tend to hang out at night and just talk while the sun sets about their lives and historia.
- ymir knew who edison was before he revealed himself to the scouts as historia’s brother.
- used to have a small crush on sasha.
- he and reiner were best friends before edison escaped marley.
- whenever he listens to a ricky montgomery song ( mostly mr. loverman ) he thinks of armin or his first love ( an oc , pieck’s brother , who died before he could inherit the cart tian )
- can’t choose things. like if you asked him if he liked lollipops or chocolate more , he wouldn’t be able to respond even though he knows that he likes lollipops more.
- he wants the sunset to be the last thing he sees before he dies.
- follows armin around while he plans missions.
- one time he called historia ‘lemon’ when they were still kids.
- doesn’t speak to any other titan shifters at all.
- he and eren have an unspoken rivalry.