Joe Cool is a nickname given primarily to those who display a calm or placid attitude, especially in the face of adversity.

Famous Joe Cools include:
* Snoopy of Peanuts fame, whose aliases included Joe Cool, generally while wearing dark sunglasses.
* Joe Montana, a former NFL quarterback who earned the nickname for his undaunted poise in adverse, high-pressure game situations.
* A New-York-based jazz-fusion band of the 1980's featuring Rob Mounsey, Jeff Mironov, Will Lee, and Christopher Parker
* Vincent Biagiotti, a professional surfer, who earned his title by always being calm in the face of danger

Source: From Wikipedia, the free encyclopedia