What's the name of the toad with gold coins at the merchant's door?

Qian Qian Magic: Wherever you go, there is money. The golden toad is a good tool for making a fortune. It has three legs, the Big Dipper on its back, two strings of copper coins in its mouth and two Tai Chi instruments on its head. The golden toad is auspicious, which comes from the previous meaning of "Golden toad wins the laurel". Originally refers to the imperial examination high school, and later evolved into the meaning of achieving great wealth, which is the homonym of money! It's Cai Zheng. Jade and porcelain products are suitable to be placed in the position where the five elements belong to wood and soil, and the toad of copper products is suitable to be placed in the position where the five elements belong to gold, fire and water. If put in the right place, it will have an effect. According to legend, there was a fairy named Liu Hai in ancient China. In all kinds of porcelain or jade carvings, the shape of [Liu Hainong Toad] is still often seen. The shape of "Liu Hai Nong Toad" is that Liu Hai Ren Xian is playing happily with a toad with a string of copper coins in his hand. This is an auspicious animal. In particular, it has only three legs. According to legend, it has only three legs since ancient times. To prosper, as for the four-legged one, it was born only in the fields of Shan Ye. ...