Marcial "Mars" Custodio Ravelo (October 9, 1916 – September 12, 1988) was a Filipino comic book cartoonist and graphic novelist.

Dubbed as the "King of Pinoy Komiks",[1] he is notable for creating Darna,[2] Dyesebel, Captain Barbell, Lastikman, Bondying, Varga, Wanted: Perfect Mother, Hiwaga, Maruja, Mariposa, Roberta, Rita, Buhay Pilipino, Jack and Jill, Flash Bomba, Tiny Tony, and Dragonna among others.

Ravelo started out as a cartoonist, then as a writer, and later on as editor-in-chief for two publications houses and for several film companies.

[3] Ravelo crafted iconic characters such as Darna the superheroine, Dyesebel the lovelorn mermaid, and Captain Barbell the superhero, along with Facifica Falayfay, and the comedic pair Jack & Jill.

Additionally, Ravelo penned the film adaptation of Alicia Vergel's "Basahang Ginto."