What's the name of Huluwa's red frog?

The red frog in the gourd doll is called frog essence. The frog in the cartoon gourd doll is called frog essence, and there is no separate name. Hulu Brothers (also known as Hulu Wa) is a series of 13 paper-cut cartoons originally produced by Shanghai Animation Film Studio in 1986. It is one of the representative works of China animation in the second prosperous period, and it has become a classic of China animation.