wondering if childe being designed with red hair was researched and has a deeper meaning bc theres a bunch of stuff that makes a weird amount of sense. for him to have red hair specifically.

red hair is basically a mutation (mc1r gene) and it affects a bunch of different stuff, not just hair color, but also vitamin production and pain receptors

redheads in particular produce their own vitamin D so historically people with that hair color moved more towards colder climates bc they could retain heat better and thus could withstand the cold more. bc of their vitamin D production they also had stronger bones than people who didnt have red hair so its theorized that in colder climates redheads were having more children than non-redheads bc the latter just had brittler bones and had a rough time in the cold (the video i watched abt it also made a joke abt how redheads would thrive "underground" more than in the sun and well. funny that). also apparently some redheads need 20% more anesthesia than non-redheads bc they can have a higher pain tolerance

so its interesting that childe, known redhead, lives in a cold climate (snezhnaya) has a lot of siblings, and survived the abyss (makes his own vitamin D, has Stronger Bones, possibly high pain tolerance) its kind of hilarious? are u telling me him having red hair is deep. i love that