Steve Gall... Mr Mx for years...
Got to know him through the bike club St George, and what a real normal humble guy he is. He raced world wide, but you'd never know it, very humble.
I also got many go fast bits off him over the years that nobody else in AU had access to
My TT600 became a 720 with twin carbs, different head with valves that looked like they were off a Caterpillar truck, barrel, exhaust, ...
Cricket
Same as NickandBron - the West Indies and Aussie cricket teams of the 70's... Nothing has come close since in Cricket, but now cricket is just a corrupt farce like wogball.
AFL
Bruce Doull - the flying Doormat.. cause some chick came out and flashed her cans at him live on tele!
NRL
Too many to list.