Not necessarily. 0.5 squared is 0.25. A pony, being a smaller version of a horse, could concievably be considered as being one half of a horse (depending on its size), thus rendering my name suggestion valid.
At least you have drums to play :<
I'd love to have a kit but my parents are all "You're going away to college and it takes up space so no". I've never touched a real drum kit in my life, though I'm fairly certain I could still play one better than the average person.