The name Rafael Antonio is a professional alias of the American voice actor, director, and producer Tony Oliver, whose full birth name is Rafael Antonio Oliver. Born on May 12, 1958, in San Juan, Puerto Rico, he has been a significant figure in the English-language dubbing industry since the early 1980s. His career is notable for encompassing not only a wide range of iconic voice roles in anime but also extensive work behind the microphone as a voice director for numerous series and as a producer on live-action productions.

The body of work credited under the name Rafael Antonio primarily consists of some of his earlier English dub performances. One such role is Prince Sawara in the 2001 film Onmyoji. Another is Tetsuji Kaji in the magical girl series Ultra Maniac, a role he performed in the English dub produced in 2005. The user also provided the example of the character Eiji Date from Hajime no Ippo: The Fighting!, but this specific role could not be verified in the search results.

Beyond these specific credits, the professional career of Rafael Antonio, as Tony Oliver, is extensive and well-documented. He is widely recognized for originating the English voice of Rick Hunter in the landmark Robotech series. He has had a defining role as the voice of the legendary gentleman thief Arsène Lupin III in the Lupin the Third franchise for many years. His other major anime roles include Lancer in the Fate/stay night series, Minato Namikaze (the Fourth Hokage) in Naruto and Naruto Shippuden, the older version of Simon in Tengen Toppa Gurren Lagann, and Ulquiorra Cifer in Bleach. He has also voiced characters in video games, such as Bang Shishigami in the BlazBlue series.

Throughout his career, he has collaborated with many of the same production teams and actors. He frequently works with Bang Zoom! Entertainment, a prominent dubbing studio, where he is often employed as a voice director. As a director, he has worked on series including Eureka Seven, K-On!, Magi: The Labyrinth of Magic, and Danganronpa 2: Goodbye Despair. He has also maintained recurring collaborations with voice actors such as Kirk Thornton, Wendee Lee, and Richard Epcar.

His notable achievements extend beyond acting. In addition to his voice direction, he served as a supervising producer and co-producer on the iconic live-action series Mighty Morphin Power Rangers and VR Troopers, contributing to their script writing as well. This combination of on-screen vocal performance and behind-the-scenes production work has made him a respected veteran in the industry, also teaching and mentoring upcoming voice talent.