The thing on the angel's head is called a halo.
an anglerfishes lure is made of bacteria that builds up inside the body and when the old lot refreshes the new lot comes up
it is called the crest
The thing on top of Toad's head is called a Mush.
it is called a death mask
Akanishta
A comb
A bean sprout.
It is a tusk.
Mount Rushmore.
a hat
It is called the Comb.