Answer:
What kind of dog keeps the best time?
What kind of fish chases a mouse?
I'm carried by mad animals. What am I?
Looks like a hippo crossed with a unicorn.
A mysterious, fantastic creature, It has one defining feature, And for humans at their worst, In their eyes it's just a horse
I spend most of my day eating white. When I am quick enough I get rewarded with fruit and something blue. In a dark room with blue walls I run from the ghosts that roam the halls