you guys know that wrestling is fake right? just like Santa Claus.
Its Scripted not fake the pain they experience is real, The fact is that lots of glamor, gimmicks and entertainment have been added to WWE pro wrestling and that thus not mean that its fully fake.
When they hit each other with chairs and stuff of that nature as you have asked, they get the sound and do not get hurt, that is part of make believe in pro-wrestling and it takes a lot of time, training and concentration before you can become a pro-wrestling superstar of WWE status.
That is why you see lots of adverts that children and non wrestlers should not practice what they are watching on TV at home.
Stone Cold and Triple H, two prominent icons from 90's which helped shape professional wrestling and made it entertaining to watch. The wrestling, the promos, backstage skits, mind games with WCW, the invasion, the things that took place when Stone Cold was at helm leveled on the popularity levels to that of Hogan and The Rock. Stone Cold, alongwith The Rock, were two of the biggest names in the industry at any time. Their personalities was the source of people tuning in every week and purchasing tickets for live shows.