[1] He shows the personality traits of someone who is quick to explode into fits of temper when bothered and also a surprising father-like gentleness and kindness with Goku that no one would have expected.
[2] When "Dr. Ni Jianyi" tell him his father was a government official named Rin Tokou, a political activist who was exiled to Oujyouin in Rishyu, the northern-most town of "Togenkyo".
Sanzo is egotistical, haughty, and can be very cruel, yet our 23-year-old hero also has calm judgment, unwavering intensity, and surprising charisma.
He is one of the five highest priests in "Tougenkyo", but he has no intention of devoting himself to Buddhism, and is a corrupt monk who enjoys drinking, smoking, and gambling.
[5] He is the current holder of the Sanzo title and the wielder of very powerful sutras, though he is usually content to keep those stored away and shoot people immediately.
[9][10] in 2005, on 27th Anime Grand Prix Award, Genjo Sanzo was the top of twenty best Male Character.
[18] Eduardo M. Chavez of Anime on DVD stating "the fact that sanzo could accept going into battle with someone who was once close to him shows responsibility to his mission and to himself.
[19] Sarah of Anime UK News finds in the character of Sanzo an irresistible charm and described the deep sense of camaraderie between the heroes convincingly and truly affecting.
they described the character as a cold loner, selfish, grumpy, an emotional mess, and a visionary leader and charismatic personality who draws others to him.