Buster, who still works five days a week as a car washer and mechanic, was followed by the gang when he left a pub.
He said: “They pushed me against a wall and tried to take my money from me.
“I went mad. I was lashing out on the floor and then I stood up and was kicking them all.
“I pushed one and kung-fu kicked the other one between the legs.
I might name my firstborn son Buster.