the ball at the end of Santa's hat is a pompom -hope this helps
The cast of PomPom - 2009 includes: Pompom Brothers
you grab it by the tail, and shake it like a pompom, like a pompom.
I would call it a hard hat
Pompom chrysanthemums came from China. When they were brought to Paris, they were given the name pompom chrysanthemums because they looked like the pompoms on the uniforms of French soldiers.
The Bowler and the Derby is the same hat. The British call the hat a Bowler. The Americans call the hat a Derby.
tamoshanter
A "top hat" is a type of hat that is often associated with magicians, so in this case, you would call it a "sitting top hat."
pompoms
A Panama hat.
It's called a homburg hat
The scientific or taxonomic name would be Rosa 'Pompom des Princess'.