The Person. Although the world knows him as Pablo Picasso, his full name was ‘Pablito Diego Jose Santiago Francisco de Paula Juan Nepomuceno Crispin Crispiniano de los Remedios Cipriano de la Santisima Trinidad Ruiz Blasco y Picasso Lopez’. Till the age of nineteen he used the name Ruiz Blasco after his father before changing his name after his mother. Picasso liked to enjoy the time in the company of his friends when he was not painting.