Yannick Forstenhäusler is a German dialogue book author, dialogue director, and dubbing voice actor. He was born on August 13, 1991, in Wangen im Allgäu, Germany. After completing his Abitur in 2011, he moved to Munich to study sound engineering at the SAE Institute, graduating with a Bachelor of Arts in Audio Production in 2014. Since May 2015, he has worked as a freelancer, and in 2017, he expanded his activities to include the dubbing of series and films.

In the realm of anime, Forstenhäusler is frequently involved in the German-language adaptations of popular series. He is notably active in the production of the long-running series One Piece, where he works as a dialogue book author and has also taken on dialogue direction. His voice acting roles in this franchise include voicing the character Don Quichotte Rocinante, also known as Corazón. He also served as the dialogue book author and dialogue director for the 2019 film One Piece: Stampede.

Forstenhäusler's role as a dialogue book author and director extended to the series Astra Lost in Space. In this production, he also provided the German dubbing voice for the character Ulgar Zweig. Another notable anime dubbing role includes voicing Shusei Ichiyanagi in the German version of Iroduku: The World in All Colors. He has also voiced characters in series such as The Detective is Already Dead.

Beyond anime, Forstenhäusler has a broad career as a voice actor for audiobooks, video games, and live-action series. His audiobook narrations cover a range of genres, including romance and crime. In the video game industry, his voice can be heard in major titles such as The Quarry, EA Sports FC 24, FIFA 23, Need for Speed: Unbound, Fortnite, and Call of Duty. His work in live-action dubbing includes roles in series like The Playlist, The Mallorca Files, and City on a Hill.