[6] He debuted in 1992 under the ring name "Angus King" for the Central States Wrestling Association in Hannibal, Missouri, which was owned and run by his childhood friend Mark Morton.

[26] In March 1993, Jacobs made a one-off appearance with World Championship Wrestling, losing to Sting on an episode of WCW Saturday Night filmed in Macon, Georgia, under the ring name Bruiser Mastino.

[30][31][32] Jacobs appeared with WWE (then the World Wrestling Federation or WWF) as "Mike Unabomb" at the February 20, 1995 Raw taping, defeating Reno Riggins in a dark match.

[33][34][4] Placing emphasis on Jacobs' imposing height and weight, Yankem was portrayed as a monstrous figure whom Lawler had hired for the purpose of ridding the WWF of his long-time nemesis, Bret Hart.

As Diesel, he lost to The Undertaker via disqualification in the main event of the December 22 edition of Superstars and defeated Marc Mero on Shotgun Saturday Night on January 11, 1997.

Kane debuted at Badd Blood: In Your House on October 5, using The Undertaker's signature tombstone piledriver to cost him the victory in the first Hell in a Cell match against Shawn Michaels.

At the King of the Ring on June 28, Kane defeated Stone Cold Steve Austin in a First Blood match following interferences by Mankind and The Undertaker to win the WWF Championship.

[65] On the October 7 episode of Raw, Kane successfully single-handedly defended the World Tag Team Championship in a four-team Tables, Ladders, and Chairs match, as The Hurricane had been attacked earlier that evening by Triple H and Ric Flair and was unable to compete.

Triple H won the match following interference from his stablemates, and on the June 23 episode of Raw, Kane removed his mask and chokeslammed Van Dam, turning heel in the process.

This led to him kidnapping Lita in May, and on the same night, Kane won a 20-man battle royal for a World Heavyweight Championship match against Chris Benoit at Bad Blood on June 13.

[80] As a result of his victory, he, along with Big Show and Shawn Michaels, was featured in an Internet poll to decide who would receive a shot at the WWE Championship at Taboo Tuesday on November 1.

[86] On the January 26, 2007 episode of SmackDown!, Kane was involved in a six-man elimination over-the-top-rope battle royal, with King Booker, MVP, The Miz, Chris Benoit, and Finlay.

[88] On the February 23 episode of SmackDown!, Kane lost to King Booker in a Falls Count Anywhere Money in the Bank Qualifying match after interference from The Great Khali,[89] sparking a feud between the two.

During the match, in homage to Hulk Hogan slamming André the Giant twenty years earlier at WrestleMania III, Kane picked up Khali for the first time and body-slammed him to the mat.

In a battle royal before WrestleMania XXIV on March 30, 2008, Kane won by last eliminating former rival Mark Henry, earning a match for the ECW Championship against Chavo Guerrero later that night.

At The Great American Bash, Kane interfered and attacked both the champion CM Punk and the challenger Batista, causing the match to end in a double disqualification.

[110] At Bragging Rights on October 24, Kane defeated The Undertaker in a Buried Alive match after help from The Nexus to retain the World Heavyweight Championship once again, thus ending their feud.

At TLC, Kane lost the World Heavyweight Championship to Edge in a four-way Tables, Ladders and Chairs match also involving Mysterio and Alberto Del Rio.

After defending the titles against CM Punk and Mason Ryan at Over the Limit on May 22, Kane and Big Show lost the championship to Michael McGillicutty and David Otunga the following night on Raw.

[121][122] Kane returned on the December 12 episode of Raw SuperShow wearing a metallic mask and new ring attire inspired by the incisions of a postmortem human body after an autopsy.

[145] On the 1000th episode of Raw on July 23, Kane turned face once again when he was saved by his brother The Undertaker from an attack by Jinder Mahal, Drew McIntyre, Tyler Reks, Curt Hawkins, Hunico and Camacho.

[182] The next night on Raw, Kane pledged allegiance to Stephanie McMahon by handing her his mask, and reinforced his loyalty the next week by aiding members of The Authority, turning heel in the process.

[204] At Payback on May 17, Kane secured his role as Director of Operations by helping Rollins retain his title in a fatal four-way match against Dean Ambrose, Randy Orton, and Roman Reigns.

[207] Kane returned at Night of Champions on September 20 with his mask as his "Demon" persona, preventing Sheamus from cashing in his Money in the Bank contract and attacking Seth Rollins, thus turning face in the process.

(AJ Styles, Luke Gallows, and Karl Anderson) and Raw Tag Team Champions Dolph Ziggler and Robert Roode, but was subsequently attacked by "The Fiend" Bray Wyatt.

[266] In an interview conducted with the Washington Examiner, Jacobs mentioned he has thought about running for Governor of Tennessee once his current term as Knox County Mayor concludes.

[272][273] In a 2019 interview with Fox News promoting a recently released book of his, Jacobs was critical of the impeachment inquiry into President Donald Trump, saying the Democratic Party was creating further division by pursuing it.

"[275][276] He would get into a dispute with the Board in September 2020, after he recorded a video where images of fellow members were displayed over narration of Jacobs calling them "unelected bureaucrats who cast down edicts which carry the force of law with no accountability and no recourse".

[290] In a July 2015 interview for Realtor.com, the website of the National Association of Realtors, Jacobs indicated that the couple's obligations to their insurance business led them to place their Jefferson City home up for sale.

[34] Jacobs has also made an appearance in the film, MacGruber, alongside fellow WWE wrestlers Montel Vontavious Porter, Chris Jericho, The Great Khali, Mark Henry, and Big Show.