"Chicago, IL (April 2, 2010)__Fantastic. mythical creatures dominate the action in Warner Bros. Pictures' new release of "Clash of the Titans," but the creatures that dominated the set during production was a magnificent breed of horse called Friesian, also known as the Belgian Black. Two Friesians, named "Boech," and "Gallo," each took their turns playing the winged horse, Pegasus, in order to provide each horse a rest period.