Who pushed pepino into the water in la casa embrujada?

In "La casa embrujada," Pepino is pushed into the water by the character known as "El Chato." This moment occurs during a tense scene where Pepino is trying to uncover the mystery surrounding the haunted house. El Chato's actions contribute to the comedic and adventurous tone of the story, as Pepino often finds himself in humorous predicaments.