Diary of awimpy kid the long haul who is the antagonist?

In "Diary of a Wimpy Kid: The Long Haul," the primary antagonist is the Heffley family's chaotic road trip experience, which is embodied by various obstacles and adversaries they encounter along the way. This includes the unruly family they meet, particularly a boy named "the Beardo," who creates problems for Greg and his family. Overall, the challenges of traveling, the family's dynamics, and the humorous mishaps serve as the main sources of conflict throughout the story.