Answer:
What has armor but is not a knight, snaps but is not a twig, and is always at home even on the move?
The ones in the sea are prickly, but the ones on the street might pickpocket you.
He's big, old and fluffy, And looking rather scruffy. He always needs a shave. It's best to just avoid him, And leave him in his cave
A warrior amongs the flowers, He bears a thrusting sword. Able and ready to use, To guard his golden hoard.
People take me on walks and I run and have fun. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.