a fictional beagle in a comic strip drawn by Charles Schulz

JB jokingly claimed this cartoon beagle inspired his portrayal of Dr. Watson in the stage play The Crucifer of Blood. 10 (He also cited Winnie the Pooh as an inspiration!)

Snoopy is a character in the long-running comic strip Peanuts, by Charles M. Schulz. He is Charlie Brown's pet beagle.

offensively curious or inquisitive; "curious about the neighbor's doings"; "he flipped through my letters in his nosy way"; "prying eyes"; "the snoopy neighbor watched us all day"

Snoopy is a PHP class that simulates a web browser. It automates the task of retrieving web page content and posting forms, for example.