Wirley Contaifer is a Brazilian voice actor known for his work in dubbing anime, films, and television series into Brazilian Portuguese. Born on September 21, 1990, in Duque de Caxias, Rio de Janeiro, he began his professional career in dubbing on May 28, 2005, at the age of 14, working on the feature film Cruzada at Audio Corp studios.

Contaifer has built an extensive portfolio of voice work in anime. He voices Seiichi Hiiragi in The Fruit of Evolution: Before I Knew It, My Life Had It Made, Makio Tanihara in Horimiya, and Deflott in MARS RED. His other notable anime roles include Shido Itsuka in the Date A Live series, O'Brien in Halo Legends, N in Pokémon Generations, and Thomas in Little Witch Academia: The Enchanted Parade. He also provides the voice for Takeru Takaishi in Digimon Adventure 02: The Beginning, Sanpei and Tierno in Pokémon XY & Z, and Corey in Mewtwo Strikes Back Evolution. In 2024, he was announced as the voice of Tsunayoshi "Tsuna" Sawada for the Brazilian Portuguese dub of Katekyo Hitman Reborn! on the Anime Onegai platform.

Beyond anime, Contaifer is recognized for dubbing Peter Parker / Spider-Man, portrayed by Tom Holland, in several Marvel Cinematic Universe films including Captain America: Civil War, Spider-Man: Homecoming, and Avengers: Infinity War. He also voices Michelangelo in the Teenage Mutant Ninja Turtles films, Lincoln Loud in The Loud House, and has dubbed for actors such as Ansel Elgort and Noel Fisher in various productions. He took on the role of Pegasus Seiya in the Netflix reboot and the live-action film Knights of the Zodiac, a part for which he received encouragement from Hermes Baroli, the original Brazilian voice of the character.

Contaifer has received recognition for his work, including being a finalist in the "Actor or Actress Revelation in Dubbing" category at the 1st Prêmio da Dublagem Carioca in. Sidney Miller in V - Visitors. In 2022, he won the Cubo de Ouro award for Geek Dubbing of the Year for his performance as Peter Parker in Spider-Man: No Way Home.