Álvaro Reina is a Spanish voice actor, locutor, and disc jockey, born in Madrid on March 3, 1980. He began his career in dubbing in 2002, building a parallel career in radio before dedicating himself fully to voice acting and advertising voice-over work in 2014. Within the realm of anime and animation, Reina is recognized for his work on several prominent series. He provides the Spanish voice for the character Gilthunder in the anime The Seven Deadly Sins, including its later installments such as The Seven Deadly Sins: Dragon's Judgement. He also voiced the character of Prince in the film Futari wa Pretty Cure: Max Heart. His other notable anime roles include Masahiro Hamasaki in Mermaid Melody: Pichi Pichi Pitch and Pyotr in Carole & Tuesday.

Beyond these specific credits, Reina's career encompasses a wide variety of dubbing work in both animation and live-action. He is the Spanish voice of Ezra Bridger in Star Wars Rebels and Bran Stark in Game of Thrones. He has also dubbed roles in popular series such as Big Time Rush, where he voices Kendall, and Glee, where he voices Sam Evans. In addition, he is known as the regular Spanish dubbing voice for actor Tate Ellington in series like Quantico, The Big Bang Theory, and Shameless. His film work includes participation in the Spanish dubs of movies such as Argo, The Dark Knight, The Wolf of Wall Street, and Blue Is the Warmest Colour.

Before focusing on voice acting, Álvaro Reina had an extensive career in radio, starting in 1994. He was a founding member of the radio station Máxima FM in 2002 and later became a prominent presenter for Los 40 Principales, hosting programs such as Anda Ya and 40 Principales Hot Mix. In 2010, he won an award for his coverage of the Rock in Rio festival. He has also applied his voice to numerous advertising campaigns for major brands including Burger King, Coca-Cola, and Renault.