Kowalski Fly is a Valencian (Spanish) fanzine published in the 1990s with the presence of several illustrious authors: Nel Gimeno, Sento, Lalo Kubala, Pedro Vera, Luis Duran, César Tormo, Gerard Miquel (also editor), José Parrondo, Olaf Ladousse, Coca Vilar and .
The golden age of fanzine took place in 1997 when it was awarded with the First Prize for the best fanzine in Barcelona International Comics Convention.