What's the name of Hu's teacher

Healthy brother. According to Douban app's query, in Tu Tu with big ears, Tu Tu's head teacher is called Healthy Brother. He is an unmarried big boy, full of energy, likes children, and sets the goal and slogan of "being strong and brave" for the children in the class. Tu Tu with Big Ears tells the story of a little boy named Hu Tutu. His daily life is full of interesting adventures and learning experiences.