dabi is a todoroki
1. the scares on his body around his neck and chin reminds us of todorko father how he has fire on his body but they said that dabi fire is so hot that who ever he hits it with well be turned into ash. he could have tried to be like shouto dad having his fire right where his is but burned himself so badly that it left scars make since.
in the manga shouto sibling faces are revealed all but one who hair is black and looks like shouto dad and his face is covered but in the anime that black hair turned red. dabi could have dyed his hair black to hide from his family .
he has the same hair cut as todoroki dad just more hair and the same eye color along with the same fire power just stronger . todoroki dad could have given up on dabi and his other brother so much that dabi gave up on trying to empress him that he ran off and became a villain scaring himself .
if shoouto mom hated his redside than she must hated dabi all together being the only child with all red hair must've did something to him that made him dye it and leave
