What do you call it?

[Laura_BelgianBantams_63]

What do you call it. Is there an actual name for it?
This is the hair do I'm talking about:

Whats your name for it?
I call them bobbles. Because of those bobble head solar powered things? Lol

 

[Chookchicken]

Funky do

 

[cavemanrich]

I called it hair-do's, on my Polish hens.
In silkied chickens I refer to their feathers, as FUR, so it would be Fur-Top.

I have one Silkied Serama, but the headdress is not there. .