Tintin, Dangdang, Dudu, Duoduo, Doudou, Niuniu, Qiuqiu, Xiaobai, Doudou, Xiongxiong, Huahua, Yangyang and so on.
It's easy to name a puppy. It's these simple-sounding reduplications that are common in life. Such a name is catchy, and it is also very pleasant to call. For example, you can often hear flowers, peas, and Niu Niu.