Jens Hartwig is a German actor and voice actor known for his work in anime and video game localizations. He was born in Bonn, Germany, and after completing his education, he pursued a degree in business administration before training as an actor in Cologne. His professional career includes numerous stage performances at theaters across Germany, as well as roles in German television series, where he gained recognition for playing Graf Tristan von Lahnstein on the ARD soap opera Verbotene Liebe.

In the field of anime voice acting, Hartwig is most recognized for his role as Pekoms, a lion Mink and a combatant for the Big Mom Pirates, in the long-running series One Piece. His other notable anime roles include a warlord leader in Overlord III, the god A in Is It Wrong to Try to Pick Up Girls in a Dungeon, a live reporter in Stella Women’s Academy, High School Division Class C3, and Hideyuki Maeda in Bunny Drop.

Beyond anime, Hartwig has an extensive portfolio of voice work in video games and other media. He contributed his voice to major game titles such as The Witcher 3 and Tom Clancy's The Division. His voice can also be heard in numerous documentaries, radio plays like Die drei???, and commercial campaigns for brands including Playboy Fragrances and Ernst & Young. His live-action dubbing work includes roles in series such as Pose and Ghostbusters: Frozen Empire.