Georgios Tzitzikos is a German-based voice actor and actor known for his work in dubbing, particularly for the German-language versions of various anime series and other international productions. Born in Athens, Greece, he moved to Germany at the age of four months and grew up in the region between Karlsruhe and Heidelberg. His early interest in performance began in his youth, with classical singing lessons starting at age fifteen and participation in a theater group at seventeen. Following his secondary education, he pursued language studies before committing to acting professionally at twenty-four. He was accepted into the state drama school in Zurich, where he completed a four-year program and earned a diploma. His early career included a two-year fixed engagement at the Theater der Jungen Welt in Leipzig, followed by work as a freelance actor at various theaters, primarily in southern Germany.

Tzitzikos began his voice-over career in 2010, providing narration for documentaries on the channel ARTE, and later recorded program trailers directly for ARTE in Strasbourg. Since 2017, he has been based in Berlin and has become increasingly active in dubbing for film, television, streaming services, documentaries, and advertising. He is multilingual, fluent in German and Greek, and also works in English, French, and Spanish. His vocal range typically encompasses young adult to middle-aged characters.

In the realm of anime, Georgios Tzitzikos has lent his voice to a substantial number of characters for the German dubs. A prominent example is his role as the Narrator in the series Hi Score Girl. His other notable anime credits include a variety of roles across different series. He voiced multiple characters in Kengan Ashura, such as Eisaku Suzuki, Gouzou Murobuchi, Reiichi Kure, Takayuki Chiba, and Yanagi. In the That Time I Got Reincarnated as a Slime franchise, he provided voices for Dordo and Dorf in the main series, as well as Dord in The Slime Diaries. His other anime roles include Kouhei Katsuragi in Classroom of the Elite II, Ryouya Izayoi in 7SEEDS, Hayden Gondry in No Guns Life, Karl Gustav Kempf in Legend of the Galactic Heroes: Die Neue These, Apeas in Ranking of Kings: The Treasure Chest of Courage, Anan Boric in Spy×Family, and appearances in series such as Appare-Ranman!, Dimension W, Edens Zero, JoJo's Bizarre Adventure: Stone Ocean, and Vinland Saga.

Beyond anime, Tzitzikos has an extensive list of dubbing credits, providing the German voice for a wide array of international actors in live-action productions. His work as a voice actor also spans video games, audiobooks, documentaries, and e-learning materials.