Tim Kreuer is a German voice actor born on May 11, 1982, who has gained recognition for his extensive work dubbing anime and other international productions into German. Growing up on the East Frisian island of Norderney, he developed an early interest in performing arts, participating in musicals during his school years. After completing his Abitur, he moved to Hamburg to study musical theater at the School of Music, Dance and Drama, which laid the foundation for his career in voice acting and stage performance.

Kreuer's voice acting career began in the early 2000s, with one of his first notable anime roles being Rock Lee in the long-running series Naruto in 2002, a character he has continued to voice across numerous sequels, films, and spin-offs, including Naruto Shippūden, Boruto: Naruto the Movie, and Road to Ninja: Naruto the Movie. This role established him as a familiar voice in the German anime community. His other significant early anime work includes Kyousuke Imadori in School Rumble and Oihiko in DearS.

Over the following decades, Kreuer built an extensive portfolio of lead roles in popular anime series. He is the German voice for Akihito Kanbara in Beyond the Boundary, Hikari Sakishima in A Lull in the Sea, and Mugi Awaya in Scum's Wish. In the fantasy and action genres, he has voiced Vanitas in The Case Study of Vanitas, Brian Brandon in B: The Beginning Succession, Wenli Yang in The Legend of the Galactic Heroes: Die Neue These, and Balgo Parks in Burn The Witch. He also portrayed Heisuke Todo in the Hakuoki film series. His repertoire further includes Andrew Humbridge in Little Witch Academia, Tooru Yukimura in Aoharu x Machinegun, and Matthias Hildesheimer in The Strongest Sage With the Weakest Crest.

Beyond anime, Kreuer is also known for his work dubbing live-action series and films. He is the German voice for Curran Walters as Jason Todd in Titans and Kyle Soller as Syril Karn in Andor. He has also dubbed actors such as Logan Lerman, Jamie Bell, and Nat Wolff in various films. His voice is featured in numerous animated series for children, including as Michelangelo in Teenage Mutant Ninja Turtles, Ryder in PAW Patrol, and Fanboy in Fanboy & Chum Chum. In addition to on-screen work, Kreuer is active as a narrator for audiobooks, such as the How to Be a... series by Pete Johnson, and for radio plays and podcasts.

Throughout his career, Kreuer has maintained a connection to live performance, working as a stage actor, musician, and drummer. He has appeared in productions like Peter Pan and The Jungle Book at theaters in Hamburg. His contributions to the field of voice acting have been recognized with invitations as a guest to major German anime conventions like Connichi, where he has also hosted workshops and talks about the art of synchronization.