Steve and Mark Waugh (separately), Mark Taylor, Jimmy Barnes, John Farnham, Slim Dusty, Iva Davies, Nick Faldo, Valentino Rossi, Kostya Tzu, the late (and great) Johnny Warren, Ross Wilson, Stevie Wright (Easybeats), Bryce Courtney.
That's just off the top of my head.
There would be dozens more. All guests on the various radio programs I have hosted over the years.
And to a person... all wonderful and decent human beings.
There have been a few who have behaved less than nicely. I won't name names. We all have bad days