The best monkey for a pet is the capuchin monkey. They are native to South and Central America and are very intelligent and easy to train.
They are active and curious, making them fun and entertaining pets. They are also known for being affectionate and have the capacity to establish strong bonds with people. Those interested in bringing a capuchin monkey into their lives should be aware that this species needs a lot of care, attention and stimulation, and that they can experience separation anxiety if left alone for too long.