They were only in a annoying orange episode so they arn't real. The normal pinwheels do exist but whistling pinwheels are made up.
LOL! Of course......
The answer depends on the pinwheel!
Seaseme streeet
a pinwheel works by wind pushing the pinweel to spin
The present participle for "whistle" is "whistling."
The Pinwheel Galaxy (Messier 101 or NGC 5457)
Pinwheel - TV series - ended in 1989.
Pinwheel - 2014 was released on: USA: 2014
The Pinwheel Galaxy was created on 2003-07-15.
a pinwheel works by wind pushing the pinweel to spin
The "pinwheel" shape is usually called "spiral".
The duration of Pinwheel - TV series - is 3600.0 seconds.