Greg Heffley:
* Self-centered: Greg often thinks about himself and his own needs first, especially when it comes to embarrassing moments and achieving popularity.
* Overly cautious: He worries a lot about social situations, sometimes to the point of being overly cautious and missing out on opportunities.
* Imaginative: Greg often creates elaborate scenarios and stories in his mind, sometimes exaggerating situations.
* Loyal (to a point): While he can be selfish, he also demonstrates loyalty to his friends and family, especially when they're in need.
* Resourceful: Greg is surprisingly good at finding creative solutions to problems, even if they sometimes backfire.
Rodrick Heffley:
* Rebellious: Rodrick enjoys defying authority and often pranks his family and classmates.
* Self-absorbed: He cares little for his brother's feelings and often takes pleasure in embarrassing him.
* Immature: Rodrick is prone to childish behavior and pranks, despite being older than Greg.
* Pragmatic: He has a good sense of what works and what doesn't, even if it's not always moral.
* Musical: Rodrick is a skilled drummer, though his music taste might be questionable.
Manny Heffley:
* Inquisitive: Manny is always asking questions and trying to learn new things.
* Naughty: He's prone to mischief and often gets into trouble, but his intentions are usually innocent.
* Imitative: Manny often copies his older brothers' behavior, sometimes with comical results.
* Dependent: He still relies on his family for a lot, but he's slowly becoming more independent.
Other Characters:
* Susan Heffley (Mom): Loving but strict, Susan is often exasperated by her children's antics, but she ultimately cares about them deeply.
* Frank Heffley (Dad): Well-meaning but clueless, Frank often makes things worse with his attempts to be involved in the family's activities.
* Rowley Jefferson: Greg's best friend, Rowley is kind, loyal, and often the voice of reason.
* Chirag Gupta: Greg's classmate and rival, Chirag is ambitious and enjoys making Greg feel uncomfortable.
These are just some of the main character traits explored in "Diary of a Wimpy Kid: Cabin Fever." Keep in mind that the book is meant to be humorous and relatable, and the characters are often exaggerated for comedic effect.