What is the description of characters in field trip author pablo baltazar?

In the children's book "Field Trip" by author Pablo Baltazar, there is only one character named Pablo Baltazar, who takes the role of the narrator and main protagonist. Here's a brief description of Pablo:

Pablo Baltazar: Pablo is a young and enthusiastic elementary school student. He is eager to explore and discover new things. Pablo is friendly, curious, and passionate about learning. Throughout the book, he shares his experiences and observations during a class field trip.