Chien-Po is an obese, bald camper part of Shang's camp, most likely based off of Buddha. He is shown to be very kind and hates violence. The aspects he searches for in a woman is that she can cook good.
Throughout the training, he developed a closer relationship to Mula and was able to become stronger.
In Mulan 2, he falls in love with the youngest daughter of the Emperor, Su. They fall in love because of their common love of food.