Aidan Vallejo is a Mexican actor and voice actor known for his work in theater, television, and anime dubbing. He was born on February 2 in Mexico City and is of Mexican nationality. His academic training in performance arts is extensive, having studied at institutions such as CEA infantil, Artestudio, and Casazul. His preparation for voice and diction was under the guidance of Adriana Portillo, complementing his broader training in acting, dance, and singing.

Vallejo has built a substantial career in Mexican television and film, with appearances in numerous productions. His television credits include roles in series such as Vecinos, Una familia de diez, Como dice el dicho, and La sombra del ángel for Canal Once. He has also appeared in higher-profile telenovelas and series like Amar a Muerte, Por Siempre Joan Sebastian, and the Fox Premium series Aquí En La Tierra and Sitiados III. His film work includes a role in the 2016 comedy No Manches Frida. In addition to his on-screen work, he has an extensive background in theater, with credits in musicals such as Godinez el musical, Peter Pan el musical, and Vámonos de pinta.

In the realm of anime voice acting, Vallejo is recognized for his role in the Latin Spanish dub of the series MARS RED. Produced by the studio VSI Mexico City and directed by Angélica Villa, the dub featured Vallejo in the role of Shutaro Kurusu, a central character in the story. The series, which premiered on Funimation in November 2021, is set in a 1920s Tokyo where vampires are integrated into a special military unit. This performance represents a notable credit in his voice acting portfolio, bringing to life a character who transitions from a human soldier to a vampire struggling with his new existence. While Vallejo has an extensive list of credits in live-action performance, his role in MARS RED stands as a prominent example of his work in anime voice acting.