Hints:

Hah! 

I was the Great Grandini


And down below, in the middle of it all, would be the ring master.
And now, ladies and gentlemen, allow me to direct your attention high above the center ring,
he's the flying phenomenon, the trail blazer of the trapeze,
the virtuoso of vertigo,
The Great Grandini Bear!
And here's his partner, the fantastic flying Little Bear!