There is a certain section of motorcyclists who have organized themselves into outlaw biker clubs and here are their ranks.
A weapon that changes form as it sees fit, changing shape so as to give it's wielder the best possible tool for the job.
Next time you're contemplating a horse variation, but don't want to get too dramatic, how about a Zorse? An offspring of a zebra stallion and horse mare. In nature they are infertile, but in a fantasy world, not necessarily. They are also known to be extremely cantankerous.
"It soon became apparent that zorses are not the most easiest of the equine family to get along with." -- Trainer Pat Parelli, on working with zorses