Demetrious “Mighty Mouse” Johnson is an American mixed martial artist renowned for his achievements in the Ultimate Fighting Championship (UFC) and ONE Championship.
Johnson was born on August 13, 1986, in Madisonville, Kentucky, and became one of the most skilled and versatile fighters in mixed martial arts (MMA) history.
You can follow Demetrious Johnson’s net worth, salary, prize money, career earnings, contract, stats, wife, career overview, and more here.
Demetrious Johnson’s Net Worth Details
Demetrious Johnson’s net worth is estimated to be $6 million as of 2025. His earnings come from his salary and prize money as a professional MMA fighter, endorsements, and other sources.
Prize Money and Salary
| Event | Prize Money/Salary |
| UFC Title Fight against Dominick Cruz (2011) | $14,000 (to show) |
| UFC Fight against Ian McCall in Australia | $14,000 (to show) |
| UFC Fight against Ian McCall (second time) | $20,000 (to show) + $20,000 (win bonus) |
| UFC Fight against Joseph Benavidez | $20,000 (to show) + $20,000 (win bonus) |
| UFC Fight against John Dodson | $23,000 (to show) + $23,000 (win bonus) |
| UFC Fight against John Moraga | $26,000 (to show) + $26,000 (win bonus) |
| UFC Fight against Joseph Benavidez (rematch) | $30,000 (to show) + $30,000 (win bonus) |
| UFC Champion Contract (post-3 title defenses) | $125,000 (to show) + $50,000 (win bonus) |
| UFC 197 against Ray Borg | $370,000 |
| ONE Championship – Century – Part 1 against Danny Kingad | $790,000 |
| ONE Championship – Dawn of Heroes against Tatsumitsu Wada | $790,000 |
| ONE Championship – A New Era against Yuya Wakamatsu | $790,000 |
Career Earnings
Demetrious “Mighty Mouse” Johnson has had a lucrative career in mixed martial arts, with his total MMA recorded fight earnings amounting to $6,147,000.
During his time in the UFC, Johnson’s pay began modestly but increased as he established himself as a dominant champion. For his first title fight against Dominick Cruz in 2011, he was guaranteed just $14,000.
His earnings per fight increased as he progressed, with payouts of $20,000 to show and $20,000 to win against Ian McCall in their rematch.
He eventually reached a base salary of $125,000 with a $50,000 win bonus after several title defenses.
Johnson’s move to ONE Championship significantly increased his fight earnings. He has earned an impressive $790,000 for each of his ONE FC fights, with a base salary of $750,000.
Endorsements
Demetrious “Mighty Mouse” Johnson has secured several endorsements throughout his career, contributing significantly to his net worth and public profile.
His most notable and longstanding endorsement has been with Microsoft, specifically their Xbox brand.
Johnson has been associated with other companies, including Microsoft Xbox. He has endorsed NormaTec, a company known for its recovery systems for athletes, and EA Sports, a primary video game developer and publisher mainly known for its sports titles.
Furthermore, he has promoted Zevia Drinks, which offers zero-calorie soft drinks with no artificial sweeteners.
Johnson’s interest in gaming extends beyond endorsements. He is an avid gamer who is present on Twitch, where he streams content for his fans.
His role as a brand ambassador for ONE eSports has undoubtedly contributed to his marketability and appeal to sponsors.
About Demetrious Johnson
| Detail | Information |
| Full Name | Demetrious Khrisna Johnson |
| Nickname | Mighty Mouse |
| Birth Date | August 13, 1986 |
| Height | 5’3″ (160 cm) |
| Weight | 125 lbs (57 kg) |
| Birthplace | Madisonville, Kentucky, USA |
| Nationality | American |
| Religion | Christian |
| College | Pierce College |
| Turned Professional | 2007 |
| Current Net Worth | $6 million |
| Relationship Status | Married |
| Wife | Destiny Johnson |
| Instagram Profile | @mighty |
Born on August 13, 1986, in Madisonville, Kentucky, Demetrious “Mighty Mouse” Johnson was raised in a family that valued perseverance and dedication.
His journey into mixed martial arts began shortly after high school, where he had already demonstrated his athletic prowess.
His dedication to mastering various fighting styles, including Brazilian Jiu-Jitsu, wrestling, and striking, quickly made him a formidable opponent in the ring.
Early Career
Demetrious “Mighty Mouse” Johnson’s early career in mixed martial arts (MMA) was marked by a series of victories that showcased his well-rounded skills and set the stage for his future success.
Before making a name for himself in professional MMA, Johnson’s journey began with a strong foundation in sports during his childhood, particularly wrestling, which he started at 13.
Johnson’s amateur career started three months after enrolling in AMC Pankration, where he met his coach, Matt Hume.
This period was crucial for Johnson, as it allowed him to hone his skills and athleticism, leading to two wins in the first leg of his martial arts journey.
Professional Career
Johnson’s professional debut came in 2007, and he quickly made a name for himself with a series of victories that showcased his dynamic fighting style and technical prowess.
Johnson’s career reached heights when he joined the Ultimate Fighting Championship (UFC). He made his UFC debut on February 5, 2011, against Norifumi “KID” Yamamoto, winning unanimously.
On September 22, 2012, at UFC 152, Johnson defeated Joseph Benavidez via split decision to become the first UFC Flyweight Champion.
His reign as champion was historic. Johnson defended his title 11 times from 2012 to 2018, earning him the reputation as one of the most dominant champions in UFC history.
In 2018, Johnson made a landmark move to ONE Championship, Asia’s largest martial arts organization, as part of a high-profile trade.
His time in the ONE Championship has been marked by continued success, including winning the ONE Flyweight World Grand Prix Championship in 2019.
Johnson’s record in the ONE Championship stands at 6 wins and 1 loss.
His most recent victory came on May 5, 2023, when he successfully defended his ONE Flyweight World Title against Adriano Moraes in a trilogy fight at ONE Fight Night 10.
Wife
Demetrious Johnson’s wife, Destiny Johnson (formerly Destiny Bartels), has been a significant figure in his life, personally and professionally.
After dating for about 4 years, the couple tied the knot in Hawaii on May 11, 2012.
The couple has 3 children: 2 sons, Tyron (born in 2013) and Maverick (born in 2015), and a daughter, Tanyth Demetrious, born in 2018.
Fight Records
| Statistic | Value |
| Wins | 27 |
| Losses | 3 |
| Draws | 1 |
| Knockouts | 5 |
| Submissions | 12 |
FAQs
1. Who is Demetrious Johnson and why is he called “Mighty Mouse”?
Demetrious Khrisna Johnson (born August 13, 1986) is an American mixed martial artist nicknamed “Mighty Mouse” for his compact 5’3″ frame, lightning speed, and ability to overwhelm larger opponents with agility.
2. What did Johnson achieve as UFC Flyweight Champion?
Johnson became the inaugural UFC Flyweight Champion in 2012 and defended the 125-pound title a record eleven consecutive times, showcasing unmatched consistency and technical mastery in MMA’s lightest men’s division.
3. How many title defenses does he hold in UFC history?
Johnson holds the UFC record for most consecutive title defenses with eleven successful defenses of his flyweight belt between 2012 and 2018, surpassing former middleweight champion Anderson Silva.
4. What is Demetrious Johnson’s overall professional MMA record?
Competing from 2006 to 2023, Johnson amassed 25 wins, 4 losses, and 1 draw, finishing opponents via five knockouts, eight submissions, and twelve decisions over a 30-fight career.
5. Which major titles has he won in ONE Championship?
After joining ONE Championship, Johnson won the 2019 ONE Flyweight World Grand Prix, captured the ONE Flyweight World Title twice, and earned fourteen MMA world championships overall.
6. What defines Johnson’s fighting style?
Johnson’s style blends collegiate-level wrestling, precise striking, and elite Brazilian jiu-jitsu. He chains takedowns into submissions and uses fluid movement to control distance, pace, and finishing opportunities.
7. When did he retire and what honor followed?
Johnson announced his retirement on September 6, 2024, after a storied career. He was immediately honored as the first inductee into the ONE Championship Hall of Fame.
8. What is his early life and wrestling background?
Raised in Kentucky by a hearing-impaired mother and an abusive stepfather, Johnson excelled at Washington High School wrestling, finishing second at the state championships before beginning MMA training in 2007.
9. Who has coached Johnson and where does he train?
Johnson trains at AMC Pankration and Evolve MMA under veteran coach Matt Hume. He has credited Hume’s technical guidance for developing his versatile, championship-caliber skill set.
10. What Brazilian jiu-jitsu rank does he hold?
Under instructors Bibiano Fernandes and Yan McCane, Johnson earned his black belt in Brazilian jiu-jitsu, leveraging those grappling skills for multiple submission victories throughout his career.
