 Pedro paintings show the influence of the great surrealist painters, like Giorgio de Chirico, Max Ernst and Salvador Dalí.He was a founding member of the Portuguese Surrealist Group, in 1947, along with Cândido Costa Pinto who shortly left), Marcelino Vespeira, Fernando Azevedo and Mário Cesarini, but he left painting short time after.He dedicated himself to pottery and theater for the rest of his life.