19. The Rock 
He may of spent 2000 to 2002 as WWE's main face but for most of his carrer he was a heel. lets go back to 1997. He was a member of the nation of domination which was a huge stable at the time and also at the time he was the intercontinetal champion, he was fueding with ken shamrock quite alot and when the mic was on him he would get straight to the point. He would ramble on about how he is destined for greatness just cause his father was a pro wrestler. The rock didnt care about the fans and they didnt care bout him until mid 1999 when he started becoming face. But before then he was so cocky it was quite funny. Especially with his fued with the face of WWF at the time stone cold steve austin. Also to add to his heel part of his carrer he came back in 2003 for what was meant to be the return of the rock which lead to 3 of the ebst fueds of 2003. Firstly at no way out 2003 he took on hulk hogan and the rock was workign with vince. The outcome was that the ref faked to be hurt and screwed hogan over who the ref was later to be revealed as sylvain grenier when he made his wrestling debut. Then took on austin for the third time at WM and this time it was at wrestlemania 19 and the rock did nto win cleanly. He broke rules to pick up the victory. And then lastly it was Goldberg Vs the rock at backlash 2003. Both men gave it there all and in the end goldberg kinda dominated the rock which was a sad end. He was so hated because well the crowd respected his wrestling ability but his cockyness got the better of him and the crowd did not appreciate that. Also at one of the rock's matches there were "Die rocky Die" chants actually being chanted by most of the audience.
18. Nick Bockwinkle 
Nick Bockwinckle began his heel stage of his carrer in verne gagne's AWA teaming with Ray Stevens being managed by "Playboy" Bobby Heenan. He later on become the world champion multiple times and would do anything to pick up the victory. He goes down as one fo the greatest wrestlers to grace the ring but he is also one of the greatest heels. To be honest i have no idea why the crowd hated him i guess it was just a thing they had against him. But history tells us how much of a heel he was.
17. Mr perfect 
Mr perfect began his carrer in AWA and becoming world champion there. At the time he was a heel but was not the same heel, he was just a disliked guy. He was simply called curt hennig but when he jumped ship to WWF we saw a whole new side of Curt hennig. he was arrogant, Confident and well PERFECT. He would accompany Ric flair to the ring with bobby and then when it was hsi tiem to shine he would boast about great he was as if flair had his back but all he had was heenan. Later Mr perfect Jumped Over To WCW and for a little while was a tweener until they put him In NWO. To me he was a main factor of NWO he wasnt as good as savage on the mic but he was up there. He was the most confident of the lot and the cockyness never went away with Mr perfect. I wouldnt say the crowd hated him i would just say he was meant to be a huge heel but it kinda didnt work cause the fans fell in love with him.
16. Abdullah the Butcher 
The king of the fork, Abdullah, was hated from Puerto Rico to the States and will always be remembered for his ruthless style of hardcore wrestling, in which he developed some awesome feuds with the likes of Bruiser Brody, Carlos Colon, and other true greats in pro wrestling. I believe he is about 70 and he has been a heel his whole carrer. They fans have never liked him and i cant blame them. I feel he is dull and boring and so do many fans. He is extrmely confronting if he ever speaks on the microphone and mumbles most of his lines. I dont like him but he is a huge heel and i think he deserves to be on this list.
15. Jake Roberts 
Where ever jake was there was always trouble. Many people loved jake over the years but in reality he is one of the greatest heels of all time. Jake would not even hesitate to fight dirty to pick up the victory and he always would fight dirty. His signature trademark was his snake "Damien" would usually get ivolvedin soem way and even though the fans loved it he was still a heel. Jake had very good ring pshycology and to be a great heel you have to have that and he did and thats why he was so great. I think it was the 1990 royal rumble and andre was in the ring and all of a suddne jake put a snake in the ring and andre chucked hismelf over the top rope. Even though this was meant to receive a boo cause andre was a fan favourite at the time the crowd actually cheered for jake. So not every heel is booed it just shows how great some heels can be.