Fadu Costha is a Brazilian voice actor known for his extensive work in dubbing anime and animated series into Brazilian Portuguese. His career encompasses a wide range of roles in popular long-running franchises as well as numerous supporting and secondary characters.

Costha has provided the Brazilian Portuguese voice for a vast array of characters across many notable anime series. He is perhaps best known for his work in the various installments of the Dragon Ball franchise, where he has voiced multiple characters, including Mr. Satan in Dragon Ball Z Kai, Shu in several series and films such as Dragon Ball Super and Dragon Ball Z: Resurrection 'F', and Mestre Kame in a VHS dub of Dragon Ball Z: Dead Zone. He has also had a long association with the Naruto series, voicing the recurring character Teuchi, the owner of the Ichiraku Ramen shop, in Naruto, Naruto Shippūden, and multiple related films like The Last: Naruto The Movie and Road to Ninja: Naruto the Movie. In the One Piece franchise, his roles have included Gaimon, Lucky Roux, and Saint Marcus Mars.

His role in the Bakugan franchise is as the voice of Apollonir in Bakugan Battle Brawlers. He is also recognized for voicing Professor Elm in the Pokémon anime during the Johto saga. Other prominent credits include Sloth and one of the Slicer brothers in Fullmetal Alchemist: Brotherhood, Professor Ochanomizu in Pluto, multiple characters across the JoJo's Bizarre Adventure series, and Renkotsu in Inuyasha.

Beyond anime, Costha's work extends to dubbing live-action productions and Western animation. He has voiced characters in the Brazilian Portuguese versions of films such as Sonic the Hedgehog and Oldboy, and series like Code Lyoko, where he voiced Yumi's father. His career demonstrates a consistent presence in the Brazilian dubbing industry, contributing voices to a vast number of productions over several decades.