I think this references the markings for confirmed kills on ww2 aircraft https://en.m.wikipedia.org/wiki/Victory_marking
I think this references the markings for confirmed kills on ww2 aircraft https://en.m.wikipedia.org/wiki/Victory_marking
That first one is just minos prime from Ultrakill
Bottom right is Kara from Detroit: Become Human
I think this is very relevant to this discussion https://youtu.be/qUb0JnEsOHQ