Carlos Rubio is a Mexican-born voice actor and ADR director primarily known for his work in the Spanish dubbing industry for Latin America, rather than for original Japanese anime voice acting. He has built an extensive career voicing characters in a wide array of animated series, live-action films, and video games for over two decades. In the context of the example provided, Rubio voices the character Chop in the film Star Twinkle Precure: Hoshi no Uta ni Omoi wo Komete, contributing to the Spanish-language localization of the franchise.

Rubio's career is marked by a significant number of high-profile roles in internationally renowned franchises. He is perhaps most widely recognized as the definitive Spanish voice of actor Ryan Reynolds, dubbing his performances in numerous films including the Deadpool series. In the realm of animation, he has voiced major characters such as Gajeel Redfox in the long-running series Fairy Tail, Shunsui Kyoraku in the Bleach franchise, and Roronoa Zoro in the Funimation-produced English-to-Spanish dub of One Piece. His voice can also be heard as Isa (Saïx) in the Kingdom Hearts video game series. Additional notable anime roles include Kouki Furihata in Kuroko's Basketball, Takehisa Hinawa in Fire Force, and Allen Walker in the later episodes of D.Gray-man.

Throughout his career, Rubio has developed recurring collaborations with other voice actors and directors within the tight-knit Mexican dubbing industry. He frequently works alongside peers like José Gilberto Vilchis and Enzo Fortuny, often in productions directed by figures such as Ricardo Tejedo or Gabriel Gama. His role as an ADR director also places him in a position of frequent collaboration, guiding other actors' performances in various series and films.

A notable achievement in Rubio's career is his long-standing association with major franchises, demonstrating his range from comedic to dramatic roles. His ability to consistently voice iconic characters across numerous installments, such as Zoro in One Piece for over a decade and Shunsui Kyoraku across the entire Bleach series, highlights his importance to the consistency of these properties for Spanish-speaking audiences. His work as a director further underscores his respected position within the industry.