Demetrious Johnson (born August 13, 1986) is an American mixed martial artist. He currently competes in ONE Championship. He is the inaugural and former UFC Flyweight Champion. Known for his quick striking and elusive movement, Johnson has also landed the most takedowns in UFC flyweight history and co-holds the record for the latest finish in UFC history with a submission win at 4:59 of the fifth round against Kyoji Horiguchi. He is the only UFC fighter to record over 10 takedowns in three different fights. Demetrious Johnson holds the record for most finishes in UFC flyweight history with 7. He is also the ONE Flyweight World Grand Prix Champion. He is currently ranked #1 in the ONE Championship flyweight rankings.ESPN, MMA Weekly, and various UFC personnel have called Johnson one of the greatest mixed martial artists in the world. Sherdog historically ranked Johnson as the #9-pound-for-pound fighter in mixed martial arts and as the No. 2 flyweight. He is widely regarded as one of the greatest mixed martial artists of all time with many, including UFC Commentator Joe Rogan, considering him the greatest mixed martial artist of all time.