In the book holes who is armpit in camp green lake?

"Armpit" is not a character in the book "Holes" by Louis Sachar. The character you might be thinking of is "X-Ray", who gets his nickname because he's so skinny, you can practically see through him.

There are many interesting characters in "Holes," including:

* Stanley Yelnats IV: The protagonist of the story, who is wrongly accused of theft and sent to Camp Green Lake.

* Zero: A quiet and loyal boy who becomes Stanley's friend at the camp.

* Mr. Sir: The cruel and abusive warden of Camp Green Lake.

* Kissin' Kate Barlow: A legendary outlaw who is connected to the history of Camp Green Lake.

* Sam: A former slave who was wrongly accused of stealing and sent to Camp Green Lake.

If you have any more questions about "Holes," feel free to ask!