Born in Madrid, Alvaro Muñoz works as an illustrator, storyboard and comic artist. He is a contributor to the erotic magazine Kiss Comix, as well as the French and American counterparts La Poudre aux Rêves and French Kiss Comix. He is the creator of series like 'Wanda Wolfe' and 'Ninfo Maniac'. For Dolmen Editorial, he works on the series 'Conspiradores'.
He has published his more recent erotic work under the nickname Coax, such as his graphic novel 'Nymphomaniac'. He is teacher at the Academia C10 school of applied arts in Madrid, and he is also the author of a training book on comic art for Dolmen Editorial.