Are you looking for:
* The biography of a specific person named "Kool"? If so, please provide more information about this person.
* Information about a band or musical group called "Kool"? There are several bands with "Kool" in their name.
* A different term related to "Kool" that you're trying to understand?
Once I have more context, I can help you find the information you're looking for.