I was watching Perry Saturn's youshoot, and when asked who would win a fight back in WCW between: Saturn, Scott Norton, Fit Finlay, Haku, The Barbarian, Rick Steiner and Jim Duggan, Saturn replied "Tonga. Nobody else would stand a chance. Not even a question. He could kill everyone without blinking and there is nothing anyone could do about it"
Bad News Brown said in interviews that Fifita was without a doubt the most vigorous.
Bill Goldberg has also called him the toughest man he's been in the ring with.
Road Warrior Animal said in a shoot interview that Haku was the toughest wrestler of his era.
Bobby Heenan said in a shoot interview that Haku was "the toughest man I've ever met in my life."
In 1987, Haku had a backstage fight with Jesse Barr (who wrestled at the WWF as Jimmy Jack Funk) which allegedly resulted in Fifita gouging one of Barr's eyeballs out, causing Barr to later wear a glass eye. After this fight, Fifita had a reputation that steered wrestlers away from backstage confrontations.
In the book Arn Anderson: 4 Ever, Arn Anderson cites an event where Fifita pushed a cowboy through two sets of doors with one hand - and a conversation with The Barbarian about who was tougher. The Barbarian just shook his head when Anderson asked who would win in a fight between him and Fifita and stated "Meng's the man." If you've read Arn Anderson's book, you'll also know that AA said this about Meng: "There are 3 types of men: tough men, wrestler-tough men, and then there's Meng."
He had an altercation with Brutus Beefcake after Beefcake complained to WWF management that Tonga slapped him too hard during a match. After WWF management informed Tonga, he immediately went to the locker room and grabbed Beefcake out of the shower, and began choking him, lifting him two feet off the floor. Other wrestlers were hesitant to break it up, so finally Hulk Hogan (who Tonga respected) was called in and was able to calm Tonga down.
Kevin Sullivan on Meng: "One time I asked him to do something that was completely wrong and he got a little upset. And I mean that was the scaredest I've ever been in my life and he wasn't even that up. Thank God."
Kevin Sullivan story about Meng: Kevin is the booker at the time in WCW and he tells these guys to do the job and these wrestlers are all pissed and upset about loosing and they tell Sullivan to go **** himself and they'll fight Sullivan and anyone else because they're the baddest ****ers around and they'll kill anyone around here. Then Keven said "Wait a minute, I'll get Meng to handle this for me" and then all those guys start telling Kevin "We'll do the jobs, we'll do whatever you want."
Jake Roberts said it best: If I had a gun and was sitting inside a tank with one shell left and Meng is 300 yards away? He's mine, right? Well the first thing I'm gonna do is jump out of the tank and shoot myself because I don't want to wound that son of a ***** and have him pissed off at me.
Here's what Chris Candido said about Meng: "He was talking to me, Tammy, and Chris Jericho. In comes Eric Bischoff and Greg Gagne and they walk right in front of us and starts talking to Meng. He looks at them and goes "Hey!". And the entire lockerroom just froze. I was like "Man, these weren't just funny stories, this guy must really be tough". And then Meng says "Apologize to my friends, I'm talking" and everyone shuts up while Bischoff and Gagne apologize to me, Tammy, and Chris.
Even Harley Race has stated the there's only one man in wrestling history that he was afraid to get into a fight with and that as Meng.
In an interview with Alex Marvez, Fifita was asked about one of his legendary fights. Fifita stated his favorite was one that "cost him a lot of money." He was at the Baltimore Airport Hilton bar with Sivi Afi when five men started laughing at them and said, "You guys are the fake wrestlers on TV." In response Fifita replied, "I�ll just show you how fake it is," and reached over and grabbed one man while three others jumped on him. As they repeatedly punched him he knocked Three of them out and then applied the Tongan death grip one of them and then Fifita bit the nose of the man he initially grabbed and spat it out. They saw him spit out their friend's nose, and before he could fight them, they quickly evaded. Months later, he saw on the news that he was being sued $2.5 million for the incident.
Bobby Heenan on a bar fight Meng had with some guy
He took his two fingers on his right hand, his index finger and his trigger finger, and he reached into the guys mouth and he broke off the guys bottom teeth. I wouldnt believe it unless I saw it with my own eyes.�
More Heenan stories about Meng
Before the mid 80s when Andre was breaking down, there were only two men that Andre feared, Meng and Harley Race.
Rick Steiner on Meng getting arrested
I was in LA one time with him and he fought eight cops, they shot him with mace and he closed his eyes and sucked it in. He just opened his mouth and took a deep breath. I mean, some of the stuff he did was like "What the hell" Scotty and I always thought we were tough guys but that was before we met Meng.
Ted DiBiase on Meng getting arrested in St. Louis
"Some of the guys got into a fight and Meng got involved. He was just trying to help and in the process of trying to help, he gets maced by 4 cops and handcuffed. Now they handcuffed himi behind his back and then he said "Is this it?" and he broke the handcuffs. He snapped them.
...used that many a time around here 
when he sees him..
Fortunately any Togans (or Samoans) I ever kicked it with have been some of the most chill, polite, and generous dudes I ever crossed paths with even the ones that are blood or crip.
