Niccolò Granello, also Nicholas Granello and Granelo Nicolao, was an Italian painter established in Spain, specialized in frescos decorative painting grotesques.
Background
Son of the first marriage of Giovanni Battista Castello ("Il Bergamasco"), Granello came to Spain while still a child, around 1567, accompanying his stepfather, and called by Álvaro de Bazán, 1st Marquis of Santa Cruz to work on his palace in Viso del Marquéson
Career
In 1571, his father died and he was appointed painter to the king for King Philip II of Spain. Granello performed some of the decoration of the golden tower of the old Royal Palace of Madrid, where he continued to work until 1575.