Kagu name "Rhynochetos", and the clade name Rhynochetidae, are derived from the Greek "rhis" meaning nose and "chetos" meaning corn, referring to the corn-shaped flaps over the nostrils. The specific name "jubatus" is derived from the Latin "iabatus" meaning crested. The name kagu is derived from the Melanesian names for the species. The species is variously known as the "kavu" or "kagou" in the Kanak languages, and as the "cagou" in French (also used as an alternative spelling in English). The kagu is a ground-living bird, in length. The weight can vary considerably by individual and by season, ranging from .
Creature of Havoc saying. The creature escapes from the dungeon, killing Darramouss, one of Marr's allies, in the process. The creature then elects to help a group of witches by collecting a particular root. Whilst doing this, it he saves the life of a Half-Orc named Grog, who eventually returns the favour by saving the creature, at the expense of his own life. The creature picks up the bag that Grog was carrying and finds a box similar to that the Vapours of Reason and Language were encased in. As a reward for retrieving the root, the witches lead the creature to an