What is "entartistes"

The entartistes were a Canadian satirical political group, active in the late 1990s and early 2000s, whose members threw cream pies at political and cultural figures whom the group deemed to be in need of public embarrassment. A member of the group, who identified himself only as Pope-Tart, told the Montreal Gazette in 1999 that the group's core philosophy was "'You work for us. You can't be too big for your britches or you'll get a pie in the face."