The toughest wrestlers of all time

01 Bill Goldberg 

William Scott "Bill" Goldberg (born December 27, 1966) is a former professional wrestler best known for his time inWorld Championship Wrestling (WCW) and World Wrestling Entertainment (WWE).He is famous for holding the record for the largest undefeated winning streak in professional wrestling. The official count is listed as 173 wins and one losses, although some have disputed the legitimacy of that total.Goldberg is also famed for his catch phrase, "Who's Next?"

Goldberg is recognized by WWE as a two-time world champion: a one-time WCW World Heavyweight Champion andone-time World Heavyweight Champion, with both reigns represented by the Big Gold Belt. He was the first of three men to hold the championship in both WCW and WWE, later followed by Chris Benoit and Booker T. He is also recognized by WWE as a two-time WCW United States Heavyweight Champion and one-time WCW World Tag Team Champion (with Bret Hart).

02 The Undertaker 

Mark William Calaway (born March 24, 1965) is an American professional wrestler, better known by his ring name(The) Undertaker. He is signed to World Wrestling Entertainment (WWE), currently wrestling on the SmackDownbrand, but is currently inactive due to an injury.

Mark Calaway began his wrestling career with World Class Championship Wrestling (WCCW) in 1984. He joinedWorld Championship Wrestling (WCW) as "Mean" Mark Callous in 1989. When WCW did not renew Calaway's contract in 1990, he joined the World Wrestling Federation (which later became World Wrestling Entertainment in 2002) as The Undertaker in November of that year and has remained with that company ever since.

The Undertaker has two contrasting gimmicks: "The Deadman", an undead occult like figure, and "The American Bad Ass", a biker. The specialty matches connected to The Undertaker are the Casket match, the Buried Alive match, the notorious Hell in a Cell, and the Last Ride match. The Undertaker's kayfabe half-brother is Kane, whom he has teamed up with as the Brothers of Destruction. Glenn Jacobs (Kane) and Mark Calaway (Undertaker) are not related in real life, but they have trained together for a number of years and are very close friends in real life. The Undertaker is undefeated at WrestleMania with an 18–0 record, which is the single longest undefeated Wrestlemania streak in WWE history. Calaway is an eight-time world champion: a four-time WWF/E Champion and three-time World Heavyweight Champion as The Undertaker, and a one-time USWA Unified World Heavyweight Champion as Master of Pain. The Undertaker is also a one-time WWF Hardcore champion, and a seven-time world tag team champion: a six-time WWF World Tag Team Champion, and one-time WCW World Tag Team Champion. The Undertaker was the winner of the 2007 Royal Rumble and became the first man to win the Rumble at number 30. He has been named by WWE as the greatest big man of all time. Calaway is also the only active wrestler that appeared on the company's very first RAW program, who is still with WWE today.