Better left hook?

[Underboss]

Joe Frazier stops Jimmy Ellis in the fourth round and unifies the world title. Brutal left hooks, especially the one at 6:50. Ouch.

that devastating left hook gave me a toothache.

[Brunswick Assassin]

Mickey "The Toy Bulldog" Walker had one of the most 'Vicious' left hooks in Boxing History! James Toney also had a wicked left hook also! It's a tough choice between Tyson and Frazier but I'd have to pick Frazier who threw that 'wicked' left hook from that famous crouch of his! He'd be like a 'Jack-In-the-Box' then explode that left in his opponents face as he did kayoing Ali!

[Great-E]

Definitely Joe, it had speed, power and accuracy. He could hook it off easily after a jab or an uppercut, not to mention the body/head combo. Joe also floored Ali with it and Ali had a chin like no one else.