Why is it called Beva Children's Song?

Children's songs sung by Beva. According to the official Weibo information of Beva Children's Songs, Beva Children's Songs is a children's song sung by Beva, the protagonist of the cartoon character "The Beaver Family" created by Beva. Therefore, they are called Beva nursery rhymes. There are many classic songs in Beva's nursery rhymes, such as Beva's nursery rhymes, Beva's nursery rhymes, Xiaoxing, Beva's nursery rhymes, Beva's nursery rhymes, Swallow and so on.