The K Keystone Kop monster class is comprised of human law enforcers that are summoned whenever you steal from a shop, such as by teleporting out of the shop or digging downwards. They attack you by throwing cream pies and beat you up with clubs and rubber hoses they bring with them. While they are not very difficult to eliminate one by one, there are a lot of them, and their numbers are quite intimidating. There are four kinds of Kops: Keystone Kops, Kop Sergeants, Kop Lieutenants and Kop Kaptains. Keystone Kops will not become extinct after 120 of each kind have been created (even if some code[1] attempts that), though they are genocidable.

Although their symbol is K, they are considered human for all other purposes, including sacrificing. They do, however, respect Elbereth, but only when occupied by the hero.

Keystone KopEdit

Kop SergeantEdit

Kop LieutenantEdit

Kop KaptainEdit


The kops are a very good source of experience and cream pies.

One minor strategy with shopkeepers is to steal a gold piece from the shop and leave for a distant corner of the dungeon; this will summon a slew of Kops and their equipment, followed by the shopkeeper. After slaughtering the Kops, pay or pacify the shopkeeper; you can next sell him the gear dropped by the dead Kops. Warning! If you angered him by something else than stealing, it will take at least 1000 gold to pacify him; make sure you have that much cash.

Encyclopaedia entryEdit

The Kops are a brilliant concept. To take a gaggle of inept
policemen and display them over and over again in a series of
riotously funny physical punishments plays equally well to the
peanut gallery and the expensive box seats. People hate cops.
Even people who have never had anything to do with cops hate
them. Of course, we count on them to keep order and to protect
us when we need protecting, and we love them on television shows
in which they have nerves of steel and hearts of gold, but in
the abstract, as a nation, collectively we hate them. They are
too much like high school principals. We're very happy to see
their pants fall down, and they look good to us with pie on
their faces. The Keystone Kops turn up--and they get punished
for it, as they crash into each other, fall down, and suffer
indignity after indignity. Here is pure movie satisfaction.

The Kops are very skillfully presented. The comic originality
and timing in one of their chase scenes requires imagination
to think up, talent to execute, understanding of the medium,
and, of course, raw courage to perform. The Kops are madmen
presented as incompetents, and they're madmen rushing around
in modern machines. What's more, the machines they were operating
in their routines were newly invented and not yet experienced
by the average moviegoer. (In the early days of automobiles,
it was reported that there were only two cars registered in all
of Kansas City, and they ran into each other. There is both
poetry and philosophy in this fact, but most of all, there is
humor. Sennett got the humor.)

[ Silent Stars, by Jeanine Basinger ]


NetHack's Kops got their name from the Keystone Kops, an incompetent bunch of policemen featured in a series of films from 1912 to 1917.


  1. Source:Shk.c#line3435
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