Leonardo Santhos is a Brazilian voice actor, ADR director, and translator, recognized for his extensive work in dubbing anime and other media into Portuguese. Born on September 9, 1985, in Rio de Janeiro, he is a prominent figure in the Brazilian dubbing industry, currently serving as a dubbing director at the Som de Vera Cruz studio and owning LoGa Studios.

Santhos has lent his voice to a wide array of characters across numerous popular anime series. He is the voice of Fudo Aikawa, also known as Red Gelato, in the romantic comedy Love After World Domination. He portrays the shapeshifting and malevolent Mahito in the hit series Jujutsu Kaisen. In the fantasy world of The Ancient Magus' Bride, he voices the familiar Ruth. His other notable anime roles include Faye in Drifting Dragons, Setsuna Kiryū in Kengan Ashura, Junichi Katsuragi in Kids on the Slope, Takeo in Noblesse, and Yuno in Black Clover. Beyond anime, his voice can be heard as multiple characters in the game League of Legends, including Blitzcrank and Wukong.

Beyond his on-screen performances, Leonardo Santhos is highly accomplished as a dubbing director. He has directed the Portuguese versions of a vast number of anime for the studio Som de Vera Cruz, including many series in which he also performs. His directorial credits are extensive and include major titles such as Jujutsu Kaisen, The Ancient Magus' Bride, Drifting Dragons, Kengan Ashura, Love After World Domination, and the entire Re:Zero -Starting Life in Another World- franchise. He also directed the dubbing for films like Jujutsu Kaisen 0 and several entries in The Seven Deadly Sins movie series. His work as a localization director also extends to video games, where he has directed audio for titles like League of Legends, Gears of War: Judgment, and Ryse: Son of Rome.