The Kangaroo COB was created by the late SteerPike. Her name is Pogo, and she lowers NFP, and decreases boredom, anger and loneliness.
Beware: There is a script clash between this COB and Alexander Laemmle's Object Show COB. Importing both COBs will result in errors in the Creatures game.
The Kangaroo uses the C1 class numbers: