“We got a call from the Stallone family,” Doornick remembered in an interview with triviahappy.com. “They were very interested in how the robot could work with his son. One thing led to another and Stallone completely became enamored with Sico, that particular character.”  The robot was introduced to his son, with great success, and Stallone offered to write a part for Sico in his next Rocky film. His older son, Sage, already had an acting role in the film – as Rocky’s son – so including the robot was to offer a similar favor to Seargeoh. SICO-paulie