White Tiger is a fictional character appearing in American comic books published by Marvel Comics. The character is the first to use the name White Tiger and was created by Bill Mantlo and George Pérez. A Puerto Rican, White Tiger was the first Latin American main character in the history of American comics and Marvel's first Hispanic superhero. The first member of his family to hold the mantle, Hector is the uncle of Angela del Toro and the brother of Ava Ayala.

William Timothy Mantlo is an American comic book writer, primarily at Marvel Comics. He is best known for his work on two licensed toy properties whose adventures occurred in the Marvel Universe: Micronauts and Rom, as well as co-creating the characters Rocket Raccoon and Cloak and Dagger. An attorney who worked as a public defender, Mantlo was the victim of a hit-and-run accident in 1992 and has been in institutional care ever since.