Aartarian is an Aardwolf, so his mane is his hair.
Micah's feathers act as his hair.
okay the title probably sounds weird, but what I mean is: characters who have hair-shaped stuff on their head but it's not actually hair. I love designs that have this and am curious to see more.
Torio here IC is an example, they have some kind of blood-like goop instead of hair (it's a thing that is fairly common for their (sub)species). Other examples of stuff instead of hair can be: fins, fire, water, clouds, slime, plants, anything goes as long as it's not actually hair ;3
At least some of his hair is made out of metal, specifically the scissor ponytail. I'm not sure about the rest of it tho