Who made the biggest impact and brought in the most fans

[Spam On Rye]

Probably Brock because of the crossover. Japanese mafia brought me and my crew in back in the day.

 

[Thepaintbucket]

Obviously Conor McGregor. Look at the top 10 largest UFC ppvs of all time.

 

[RockyLockridge]

Chuck Liddell was the first legit UFC superstar. Percentage-wise, he probably sparked the biggest increase in UFC fans.

That's around the time everyone I know got into it. For me it wasn't until at least 3-4 years after chuck lost the belt