The mare, of course
Because every time they go to the starting gate they're reminded "They're Off!".
A horse made by committee.
A: A bus is a vehicle that runs twice as fast when you are after it as when you are in it.
H. Ross Parrot
She replied: "with scissors of course."
A. FireWeb .... of course!
Sandy ego.
Hard P and a soft A. Modified from comment section of reddit