Rodrigo Firmo is a Brazilian voice actor, singer, and voice director, recognized for his work in dubbing anime, television series, and films into Brazilian Portuguese. He is the son of voice actor Mário Lúcio de Freitas and singer Sarah Regina, and he began his career in voice acting during the 1990s.

Firmo's body of work in anime includes a variety of notable roles. He voices Inasa Yoarashi, also known as Gale Force, in the long-running series My Hero Academia. In the action series Back Street Girls: Gokudolls, he performs the role of Ryo Tachibana. He is also the voice of Seto Narukami in the anime adaptation of the video game Scarlet Nexus and Hyakutarō Senjū in the anime Tribe Nine. Earlier in his career, he provided voices for series such as Bleach and Attack on Titan.

Beyond anime, Rodrigo Firmo has extensive credits in other areas of dubbing. He has voiced characters in live-action series, including Ben in Modern Family and John Murphy in The 100. His work in animation also includes the role of Peso in the children's series Octonauts. In the realm of video games, he is known for voicing Ganke Lee in Spider-Man: Miles Morales and Raymond "Skizzo" Sarkoski in Days Gone.

In addition to his on-screen voice work, Firmo is a singer and has performed theme songs for Brazilian versions of anime, most notably the opening theme "Cha-La Head-Cha-La" for Dragon Ball Z. He also takes on roles in voice direction and musical direction for various projects through studios like Vox Mundi.