Here are some characters who could be considered "minor," keeping in mind that they all contribute to the overall narrative:
Camp Green Lake:
* Mr. Sir: The cruel and sadistic warden of Camp Green Lake.
* The Onion Man: The camp's cook who often speaks in riddles.
* X-Ray: A tough and cunning boy who bullies Stanley.
* Zigzag: A quiet and thoughtful boy who befriends Stanley.
* Squid: A resourceful and athletic boy who is often the target of X-Ray's bullying.
* Barf Bag: A boy who is frequently sick and afraid of punishment.
* Armpit: A larger boy who is known for his strong arms and a bit of a klutz.
* The Warden's Henchmen: The guards who enforce the warden's rules with brutality.
Stanley's Family and Friends:
* Stanley's parents: They are loving and supportive but don't play a huge role in the story.
* Stanley's grandmother: She plays a significant role in Stanley's life and shares family history that becomes crucial to the plot.
The Yelnats Family History:
* Stanley's great-great-grandfather: The original Stanley Yelnats who is cursed by a pig farmer.
* Kissin' Kate Barlow: The infamous outlaw who had a tragic connection with Stanley's great-great-grandfather.
* Sam: The kind and gentle pig farmer who is wronged by Stanley's great-great-grandfather.
It's important to note that even these "minor" characters have a significant impact on the story. They contribute to the atmosphere, setting, and overall themes of "Holes," reminding us that everyone's actions, even seemingly insignificant ones, can have a ripple effect.