Josiah “Muscle Hamster”Harrell

Josiah Harrell is an American mixed martial artist who competes in the UFC’s lightweight division. He trains at Grove City BJJ and is listed by the UFC as a grappler. Harrell began wrestling in sixth grade and started training in mixed martial arts in 2019 before turning professional in 2020.

Harrell’s UFC debut was delayed after doctors diagnosed him with Moyamoya disease during fight week in July 2023. He underwent brain surgery and later returned to competition, rebuilding his career on the regional circuit before receiving another UFC opportunity. He made his Octagon debut against Jacobe Smith on February 21, 2026, and most recently fought Elves Brener on September 26, 2026.

The UFC profile identifies Harrell as a southpaw grappler with a listed height of 5 feet 7 inches and a birth date of November 13, 1998. His career has been marked by an emphasis on persistence, grappling development and returning to competition after a serious medical setback.