To the right of the Infanta are two dwarfs : Maribarbola ( 4 ) who was German , and Nicolas Pertusato ( 5 ) who was Italian . To the right of the Infanta are two dwarfs : the achondroplastic German , Maribarbola ( 4 ) ( Maria Barbola ) , and the Italian , Nicolas Pertusato ( 5 ) , who playfully tries to rouse a sleepy mastiff with his foot .