|Release date||12 December 2006 (Update)|
|Location||West of Port Phasmatys (formerly in Trollweiss and Rellekka Hunting area before the removal of the Gnomecopter Tours)|
|Examine|| • A player.|
• He hates cows SO much.
- Before the tour's removal, Cow1337killr could also be found in the Rellekka Hunter area catching Cerulean Twitches during the Gnomecopter Tours.
- He can be seen in the cutscene during the Animal Magnetism quest. He kills an Undead cow, and after being shooed away, he attempts to kill a Sneaky undead fowl during a cutscene. However, he hits a zero as the chicken dodges his attack, and deciding he'd be safer with Alice's husband, runs straight toward him.
- He also makes an appearance in the Festival of the Dead event and provides the player humourous information about his fellow player spoofs.
- He can also be seen in Runescape's "Vote NO, RuneScape Free Trade & the Wilderness" YouTube video, with a collection of other npcs.
- He wears the non-updated versions of the Rune platebody, Rune boots, Rune plateskirt and Dharok's helmet. He also wields a non-updated version of the Dharok's greataxe that has a rune colouration.
- His name is leetspeak for Cow elite killer.
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