Who Is Demetrious Johnson? Age, Biography and Wiki
Born on August 13, 1986, Demetrious "Mighty Mouse" Johnson is a highly accomplished American mixed martial artist known for his technical prowess and exceptional agility in the cage. As of 2025, Johnson is 38 years old and continues to make headlines in the world of sports through his remarkable performances and contributions to the mixed martial arts (MMA) community.
Johnson began his career in MMA in the mid-2000s, quickly ascending through the ranks to become the inaugural Flyweight Champion in the Ultimate Fighting Championship (UFC). Throughout his career, he has set multiple records, including the most title defenses in UFC history.
| Occupation | Martial Artist |
|---|---|
| Date of Birth | August 13, 1986 |
| Age | 38 Years |
| Birth Place | Madisonville, Kentucky, U.S. |
| Horoscope | Leo |
| Country | U.S |
Popularity
Demetrious Johnson's Popularity over time
Height, Weight & Measurements
Demetrious Johnson stands at an impressive height of 5 feet 3 inches (160 cm) and weighs approximately 125 pounds (57 kg), which is the typical limit for the flyweight division. His compact frame, combined with exceptional conditioning and lightning-fast speed, makes him a formidable opponent in the ring.
Family, Dating & Relationship Status
Despite his fame, Johnson keeps his personal life relatively private. He is happily married to his long-time girlfriend, Destiny Johnson. The couple exchanged vows in 2012 and shares three children together. Their family dynamic showcases support and commitment, both in personal and professional aspects of their lives.
Johnson had a harsh childhood; he was raised by his deaf mother and an abusive stepfather, and his sister attempted suicide when he was a teenager. Johnson met his biological father in 2017 for the first time ever in his life, he has a great relationship with him now.
The main thing that has helped him move on from his past is his wife, Destiny Johnson. He says "she is the best thing that has ever happened to me and without her, life would be incomplete." They were wed May 11, 2012, in Hawaii.
Net Worth and Salary
As of 2025, Demetrious Johnson's net worth is estimated to be around $10 million. This impressive figure is attributed to his successful career in mixed martial arts, along with sponsorship deals, fight purses, and various business ventures, including endeavors in esports and content creation. His salary per fight can vary, but he typically earns six figures per bout, significantly boosting his overall earnings.
Johnson was expected to face John Moraga on April 13, 2013, at The Ultimate Fighter 17 Finale. However, Johnson was forced out of the bout with an injury, and Moraga was pulled from the event as well. The bout with Moraga eventually took place on July 27, 2013, at UFC on Fox: Johnson vs.
Moraga, where Johnson was looking to defend his title for a second time. Johnson won via an armbar submission late in the fifth round. The win also earned Johnson his first Submission of the Night bonus award.
Career, Business, and Investments
Demetrious Johnson’s career is marked by numerous achievements in the ring, including winning multi-title championships across different organizations, most notably UFC and ONE Championship. His business ventures extend beyond the cage; Johnson has invested in various projects, including fitness and training programs, and has collaborated in the esports arena with platforms that cater to sports fans and gamers.
Additionally, he has gained prominence as a motivational speaker and an advocate for athletes' rights, sharing his experiences to inspire young fighters.
Johnson originally began training in mixed martial arts (MMA) as a hobby, continuing for two years before being invited to AMC Pankration, where he would meet MMA pioneer Matt Hume, who had been scouting Johnson and organized the event where Johnson made his MMA debut.
He began his career in MMA as an amateur in 2006, winning via first-round knockout. Johnson then appeared on multiple local shows and won his next 8 fights, including five in a row by submission, for a final amateur record of 9–0.
Social Network
Demetrious Johnson is active on multiple social media platforms, where he engages with fans and shares insights about his life and career. He boasts a significant following on Instagram and Twitter, where he frequently posts updates about his training, fights, and family life, fostering a strong connection with his audience.
- Instagram: @MightyMouse
- Twitter: @MightyMouse
Johnson faced Ian McCall on March 3, 2012, in the first round of the Flyweight Tournament at UFC on FX 2. This fight was the first flyweight bout in UFC history. The fight with McCall was announced as a majority decision win for Johnson.
Later, in the post-fight press conference, UFC president Dana White announced that the athletic commission made a mistake when scoring the match and that officially the bout was scored a majority draw (28–28, 29–29, and 29–28 Johnson). A rematch with McCall took place on June 8, 2012, at UFC on FX: Johnson vs. McCall.
Johnson won the fight via unanimous decision to progress to the final round of the tournament.
Education
Though details about Johnson's formal education are limited, he has spoken about the importance of continuous learning and education in his journey as a professional athlete. He emphasizes the value of self-improvement, both in martial arts and in life, which reflects his commitment not only to his sport but also to personal and intellectual growth.
Born in Kentucky, Johnson grew up in Parkland, Washington, where he attended Washington High School and was a stand-out athlete in wrestling, track, and cross country. In wrestling, he placed 3rd and 2nd in the state in his junior and senior years.
Although he only participated in track and cross country to improve his cardio for wrestling, he competed at the State Championships in both sports. Johnson did receive scholarship offers for wrestling but he did not want to leave his family behind.
Ultimately, he did not take up any scholarship offers and instead attended Pierce College for two years while working on the side.
