I knew Willy the Wildcat. His name was Steve. Who was that and why should you care, you may wonder? I'm just telling another of my old Jayhawk stories, like I said I would. I've got several more to go, too! Willy the Wildcat was a yell leader/mascot from Kansas State (KSU). The Kansas Jayhawk (KU)... Sign in to see full entry.