Corey Hartzog is an American voice actor based in Houston, Texas, who has built a extensive career specializing in English dubs of anime and other animated media. Born on March 24, 1988, he has been active in the industry since the mid-2000s, with his first credited voice role appearing in 2006. His career is closely linked with Houston-based studios, particularly Sentai Filmworks and its in-house production facility, Seraphim Digital (later known as Sentai Studios), where he has contributed to a wide range of anime localizations.

Hartzog's interest in voice acting was sparked during his childhood by influential anime series such as Yu-Gi-Oh! and Dragon Ball Z. He also credits the film Top Gun with inspiring a broader passion for performance. Before entering the voice acting industry, he gained practical experience by participating in local community theater productions in Houston, which served as his foundational training.

He has accumulated over 60 voice acting credits and is recognized for his versatility in portraying a wide spectrum of characters, from determined young protagonists to brooding anti-heroes. One of his most significant and career-defining roles is that of Tatsumi, the lead character in the popular 2014 action-fantasy series Akame ga Kill!. This performance is often cited as his star-making role, elevating his visibility and recognition within the anime community, particularly after the series aired on Toonami.

Another notable and recurring role is Chikage Kazama, a character he has voiced across multiple entries in the long-running historical fantasy franchise Hakuoki, including Hakuoki: Demon of the Fleeting Blossom: Wild Dance of Kyoto, Hakuoki: Demon of the Fleeting Blossom: Warrior Spirit of the Blue Sky, and Hakuōki: Record of the Jade Blood. His filmography demonstrates a consistent collaboration with Sentai Filmworks, with roles in a vast array of series. These include Shoji Sato in Food Wars! Shokugeki no Soma: The Fourth Plate and The Fifth Plate, Jun Sakurada (as an adult) in Rozen Maiden: Zurückspulen, Shinji Inukai in Hiiro no Kakera - The Tamayori Princess Saga, Toshikazu Asagi in Majestic Prince -Genetic Awakening-, and Agate Crossner in the anime adaptation of The Legend of Heroes: Trails in the Sky.

Beyond these, Hartzog's extensive voice work includes major roles such as Noiz in DRAMAtical Murder, Masamune Matsuoka in Aoharu x Machinegun, Sugane Tachibana in Gatchaman Crowds, and Kanato Sakamaki in Diabolik Lovers. He has also lent his voice to animated films and original video animations, including Shun in the Makoto Shinkai-directed film Children Who Chase Lost Voices, Ichiro Sato in Aura: Koga Maryuin's Last War, Yango in the series Xam'd: Lost Memories, Ayumi Kono in the film Loups=Garous - The Motion Picture, and Chase in the CGI film Starship Troopers: Invasion. His performances have earned him nominations for voice acting awards, solidifying his reputation as a prominent and active figure in the English dubbing industry.