Ricardo Fábio is a Brazilian actor, singer, director, and voice actor, also known by the pseudonym Rico Showmaker. He has built a career in dubbing, lending his voice to a range of characters in anime, films, and Western animated series.

In the realm of anime, Fábio is recognized for his role as Dr. Gennosuke Yumi in the classic series Mazinger Z. He later reprised this role for the feature film Mazinger Z: Infinity, voicing the character as the Prime Minister. His other notable anime credits include Pesche Guatiche in Bleach, Taikun in Soul Hunter, Kuneo Okita in Let's Dance With Papa, Cray in Fullmetal Alchemist: Brotherhood, Aegir de Manopla in Os Cavaleiros do Zodíaco: Ômega, Van Zant in Dragon Ball Z Kai, and Alain Lernier in Joker Game. He has also contributed voices to anime films such as Detetive Conan: O Filme and Kingsglaive: Final Fantasy XV.

Beyond anime, his dubbing work extends to Western animation. He is known for voicing multiple characters in the long-running series South Park, including Leopold Butters Stotch, Gerald Broflovski, and Jimbo Kern. He also served as the narrator for the children's series Pocoyo and provided additional voices for shows like SpongeBob SquarePants and Star Wars Rebels. His live-action dubbing credits include the role of Oficial Gorman in The Walking Dead.