What is Beckham's oval face?

White Beckham and the little monster are Beckham's melons. Beckham's melon head is a character in Bai Xiaoxue and Bai Xiaobei, which tells the growth experience of Bai Xiaoxue and Bai Xiaobei. In the tenth episode, the big melon head turned into a small monster. So both White Beckham and Little Monster are Beckham's big melon heads.