Top 10 Fastest First-Time World Champions in WWE History

Brock Lesnar as the Universal Champion

10- The Undertaker (373 Days)

The Undertaker made his chilling debut at Survivor Series 1990 as the mystery partner for Ted DiBiase's team. After a year of dominating opponents and establishing his legendary presence, he received a shot at the WWF Championship. At Survivor Series 1991, almost exactly one year after his debut, "The Deadman" defeated Hulk Hogan to win his first World Championship in the company, though the title change was shrouded in controversy due to Ric Flair's interference.

9- Alberto Del Rio (362 Days)

Alberto Del Rio burst onto the scene in the summer of 2010 with a pompous, aristocratic gimmick, immediately targeting top talent. He won the 2011 Royal Rumble and later secured the Money in the Bank briefcase. At SummerSlam 2011, Del Rio successfully cashed in his contract on CM Punk immediately following his match against John Cena, winning the WWE Championship. His victory came 362 days after his in-ring debut on the main roster, realizing his self-proclaimed destiny.

8- Kurt Angle (343 days)

Kurt Angle made one of the fastest transitions from Olympic gold medalist to professional wrestling champion. He debuted on the main roster at Survivor Series 1999 and quickly became one of the company's most decorated Superstars. The "Olympic Hero" defeated The Rock in a No Disqualification Match at No Mercy on October 22, 2000, to capture his first-ever WWF Championship. This phenomenal accomplishment came a mere 343 days after his televised debut, cementing his legacy as a generational talent who achieved main event status almost immediately.

7- The Big Show (271 Days)

The Big Show (formerly The Giant in WCW) made a spectacular debut at St. Valentine's Day Massacre: In Your House in February 1999, attacking "Stone Cold" Steve Austin. He quickly became embroiled in the top-tier storyline between Mr. McMahon and Austin. At Survivor Series 1999, The Big Show stepped into the main event triple threat match for the WWF Championship. He defeated Triple H and The Rock, capturing the title an impressive 271 days after his debut, despite initial doubts about his transition to the WWF.

6- AJ Styles (231 Days)

AJ Styles made a surprise and highly celebrated debut at the 2016 Royal Rumble, emerging as the third entrant in the match. "The Phenomenal One" quickly proved his worth as a main event talent, engaging in high-profile feuds against Chris Jericho and John Cena. Styles defeated Dean Ambrose for the WWE Championship at Backlash 2016. This monumental win secured his first World Title in WWE, achieving the feat a remarkable 231 days after his first appearance in the company.

5- Yokozuna (174 Days)

Yokozuna debuted in late 1992 as an unstoppable sumo wrestler managed by Mr. Fuji. After dominating the competition for months, the massive Superstar won the 1993 Royal Rumble to earn a shot at the WWE Championship at WrestleMania IX. At the event, Yokozuna defeated Bret "The Hitman" Hart to win the title just 174 days after his debut. Although his reign lasted only minutes, losing the title immediately to Hulk Hogan, it still counts as his first World Championship victory.

4- Sheamus (166 Days)

Sheamus arrived with an aggressive, unrelenting style, debuting on the ECW brand in mid-2009 before moving to Raw later that year. "The Celtic Warrior" quickly entered a rivalry with John Cena, and at TLC: Tables, Ladders & Chairs in December, he challenged Cena for the WWE Championship in a Tables Match. In a shocking upset, Sheamus powerbombed Cena through a table to secure the win, capturing the coveted title in only 166 days and marking the start of his controversial main-event career.

3- Brock Lesnar (126 Days)

Dubbed "The Next Big Thing," Brock Lesnar debuted the night after WrestleMania X8 in March 2002. After a spectacular, undefeated run, which included winning the King of the Ring tournament, the dominant rookie earned a shot at the Undisputed WWE Championship. Lesnar defeated The Rock at SummerSlam 2002 to claim the championship, becoming the youngest WWE Champion ever at the time. This massive victory came a mere 126 days after his main roster arrival, establishing Lesnar as a once-in-a-generation talent.

2- Ric Flair (113 Days)

Ric Flair, already a legendary multiple-time World Heavyweight Champion in WCW and NWA, officially debuted with the WWF on September 9, 1991. "The Nature Boy" wasted no time targeting the top prize. Flair entered the 1992 Royal Rumble Match, which was held to determine the vacant WWF Championship, as the third entrant. After a grueling performance, he last eliminated Sid Justice to win the Rumble and the title, solidifying his status as "The Real World's Champion" only 113 days into his tenure.

1- Finn Bálor (27 Days)

Finn Bálor holds the record for the fastest ascent to a major men's World Championship, capturing the brand new Universal Championship at SummerSlam 2016. After being drafted to Raw as the fifth overall pick in the 2016 Brand Extension, he defeated Roman Reigns on his first night to earn a spot in the title match. Bálor then overcame Seth Rollins at the Pay-Per-View, only 27 days after his main roster debut, cementing his name in history. Unfortunately, he had to relinquish the title the next night due to injury.