Rafael Pacheco is a Mexican voice actor born on February 17, 1972, in Mexico City. He began his career in voice dubbing in 1995, with his formal training in acting taking place at the Centro Cultural Virginia Fábregas and the Estudio de Actores Dimitrio Sarrás. In addition to his work in voice acting, Pacheco holds a degree in Journalism and has directed dubbing projects on occasion. His professional activities also extend to theater, radio, television, and film.

In the realm of anime and animated series, Pacheco is recognized for several prominent roles. He voiced the character of Ikki in the television version of the Saint Seiya: The Hades Chapter - Sanctuary arc. He also provided the voice for Akihiko Kayaba, specifically under his in-game persona Heathcliff, in the Latin American Spanish dub of Sword Art Online the Movie -Progressive- Aria of a Starless Night. Pacheco's work includes the role of Niijima Haruo in the series KenIchi the Mightiest Disciple. He also voiced Brick in the anime adaptation Demashitaa! Powerpuff Girls Z. Other notable credits in anime include Butch in the early seasons of Pokémon, Genma Shiranui in Naruto and Naruto Shippūden, Benn Beckman in One Piece, and roles in Digimon Data Squad and Yu-Gi-Oh!. While he is credited with a role in the series Drifting Dragons, the specific character of Lee is not directly mentioned in the available profile information.

Beyond anime, Pacheco's extensive voice work spans numerous animated series and live-action films. He is widely known for voicing Kevin Levin in various Ben 10 series, Marvin the Martian in The Looney Tunes Show, and Bandit Heeler in Bluey. His film dubbing work includes roles in major productions such as Captain America: Civil War, The Hateful Eight, The Big Short, and 12 Years a Slave.