Bruno Reis Santos (b. 1988) recognized as Mantraste is a portuguese author, illustrator and graphic designer trained at ESAD - Escola Superior de Artes e Design (Caldas da Rainha).

He grew up in Nature and is a lover of popular mysticism, has more than a hundred covers designed for authors such as JG Ballard, Ali Smith and Michel Rio among others and several published publications such as "Sebenta do Diabo" and "The spiritual ascension of all the animals ", etc.

In addition to his regular work as an illustrator, he has already taught illustration and risography in Brazil, Spain and Portugal and has several individual and collective exhibitions. He sees his work as a way of reflecting on himself and others.