This is the heartwarming moment Orca the American Staffordshire rolls on the grass with his owner, seven-year-old Alex.<br /><br />In the clip, filmed on Saturday (May 26) in The Hague, Netherlands, Alex rolls around on the grass in an attempt to lure Orca into doing the same.<br /><br />He doesn't have to wait very long.<br /><br />Orca bounds over and rolls onto his back, mimicking Alex by waving its legs in the air.<br /><br />“They are inseparable and do everything together, (he’s) truly a child’s best friend,” says Alex’s grandfather Ton Creamers.
