What are the names of Lao Mugen and Gao Jiawen?

Gao Jiawen's full name: Zhang Deru, Wen Na's father: Morse Jackson, Gao Jiawen's father's full name: Zhang Deresina's donkey: Morse's donkey, Gao Jiawen's cow: Zhang Deresi's cow's walk-on actors are as follows: Old Mugong's mother, Gao Jiawen's mother, principal.

I still remember that year. I was nine years old. One day, Arvin picked up an old mobile phone for the first time. She has been hiding in the cowshed for fear of being taken away by her father. Awen played mobile phone every day when he was a child, and only Awen knew the ringtone.