Gianandrea Muià is an Italian voice actor and content creator, known for his work in anime, video games, and live-action series. He was born in Chieri, Italy, on November 22, 1991. His interest in voice acting began at the age of fourteen after watching the anime series Neon Genesis Evangelion, which inspired him to pursue formal study in the field.

Muià began building his career in 2011 by co-founding the web dubbing project Orion on YouTube with Andrea Rotolo. The project started as a way for aspiring voice actors to practice and critique each other's work by dubbing animated videos and eventually grew into a significant online presence. He is also an active member of the Italian role-playing game collective InnTale, where he contributes his creative and technical skills.

In the world of anime, Muià is well-known for providing the Italian voice of Kei Tsukishima in the series Haikyu!!, a role he reprised for the film Haikyu!! The Dumpster Battle. His other notable anime roles include Taiyō Tsukuba in The Orbital Children, Ren in Pokémon Journeys: The Series, and Kizao in Kaibutsu-kun.

Beyond animation, Muià dubbed the character Miles Morales in the Italian localization of the Sony video game Marvel's Spider-Man. His voice work also extends to live-action series, such as providing the Italian voice for Hvitserk in Vikings. In addition to his dubbing career, he is a prominent figure in the Italian online content creation community, maintaining a presence on streaming platforms where he engages with his audience by playing video games and sharing his interests.