Fabian Wittkowski is a German actor and voice artist based in Munich. He began his performing arts career in theater during his school years, being a regular ensemble member at the Bühne Berganger theater for over five years. He later studied Theater and Film Studies at Ludwig Maximilian University of Munich before completing formal acting training at the Schauspielschule Zerboni from 2017 to 2020. His vocal training includes seminars with speakers like Johannes Steck and Gert Heidenreich, as well as a workshop at VOX Synchron.

Wittkowski has built a substantial career in voice acting, providing the German voice for numerous characters in anime series. He is known for voicing Ritsu Kageyama, the younger brother of the protagonist, in the German dubbed versions of Mob Psycho 100, including its second and third seasons. Another notable role is Kumpel Erythrozyt (AC1677), a supporting red blood cell character, in the anime Cells at Work! Code Black. His other anime voice work includes Abe no Hirari in Donten ni Warau Gaiden: Shukumei, Sōtō no Fūma, and Cecil Clayton in Akashic Records of Bastard Magical Instructor. He also voiced the protagonist Makoto Itou in the German release of the anime School Days.

Beyond these roles, Wittkowski frequently lends his voice to characters portrayed by Japanese voice actor Shun'ichi Toki in the German versions, including roles in series such as Demon Slayer: Kimetsu no Yaiba, Toilet-Bound Hanako-kun, and Tokyo Revengers. He also voiced Lyserg Diethel in the 2021 remake of Shaman King.

In addition to his anime work, Wittkowski's voice is featured in a wide range of other media. He has narrated numerous documentaries for platforms like Netflix, Discovery, and Disney, including projects such as Dance Monsters and Help! I wrecked my house. He is a long-standing voice in the children's audio drama series Sternenfohlen and has worked on audio dramas for Audible and the Bavarian Broadcasting Corporation. His on-screen acting includes guest roles in German television series such as Dahoam is Dahoam and Die Rosenheim-Cops.

Wittkowski is also a multi-time prize winner in the Jugend musiziert competition for classical guitar. He incorporates music into his artistic work and has developed a concept on occupational health specialized for creative professionals, which he has taught since 2022.