Holy hand grenade

Rabbit of Caerbannog
Cave of Caerbannog character
The Killer Rabbit attacks Lancelot
First appearance	Monty Python and the Holy Grail
Last appearance	Spamalot
Created by	Monty Python and Eric Idle
Information
Species	Rabbit

The Killer Rabbit of Caerbannog is a fictional character in the Monty Python film Monty Python and the Holy Grail. The scene in Holy Grail was written by Graham Chapman and John Cleese. It is the antagonist in a major set piece battle, and makes a similar appearance in Spamalot, a musical inspired by the movie. The iconic status of this scene was important in establishing the viability of the musical.

The Cave of Caerbannog (caer bannog being Welsh for "turreted castle," thus making its title a pun on the English dish "Welsh rabbit") is the home of the Legendary Black Beast of Arrrghhh (named for the last utterance of anyone who ever saw it). This is guarded by a monster which is initially unknown. King Arthur (Graham Chapman) and his knights are led to the cave by Tim the Enchanter (John Cleese) and find that they must face its guardian beast. Tim verbally paints a picture of a terrible monster with "nasty, big, pointy teeth!", so terrifying that Sir Robin (Eric Idle) soils his armour at the mere description. When the guardian appears to be an innocuous white rabbit, surrounded by the bones of the fallen, Arthur and his knights no longer take it seriously. Ignoring Tim's warnings ("a vicious streak a mile wide!"), King Arthur orders Bors (Terry Gilliam) to chop its head off. Bors confidently approaches it, sword drawn, and is immediately decapitated by the rabbit biting clean through his neck, to the sound of a can opener. Despite their initial shock, Sir Robin soiling his armor again, and Tim's loud scoffing, the knights attack in force. But the rabbit injures several of the knights and kills Gawain and Ector with ease. The knights themselves have no hope of killing or injuring the rabbit. Arthur panics and shouts for the knights to retreat ("Run away!"). Knowing they cannot risk attacking again, they try to find another way to defeat the beast. The Holy Hand Grenade of Antioch is ultimately used to kill it and allow the quest to proceed.