Stephen Oyoung

Stephen Oyoung is an American voice actor and martial artist born February 23, 1989, best known for his intense, layered performance as Martin Li/Mister Negative in Marvel's Spider-Man (2018) and Spider-Man 2 (2023). The California native started as a stunt coordinator training Keanu Reeves and Denzel Washington before transitioning to voice work. He's voiced Jason Todd/Red Hood in Gotham Knights, KK in Ghostwire: Tokyo, and characters in Mortal Kombat 1, Starfield, and Remnant II. His martial arts background brings authentic physicality to his roles, setting him apart in the gaming industry.

Recognized across 1 productions — including Martin Li / Mister Negative in Marvel’s Spider-Man — this voice actor's work covers animation and gaming.