In 1980 Alberca et al. described a patient with a syndrome of increased muscle irritability, who presented ondulating muscle rolling movements and electrically silent cramps, myoedema and muscle reactions to mechanical stimulation similar to myotonic response, suggesting a disfunction at myofibrillar level.
For c-3po, it was a costume, Anthony Daniels played c-3po: For R2-D2, It was a costume and a remote controlled robot. CGI was also used in the prequel trilogy. So, they had Kenny Baker to play him : And from Portrayal section of wookieepedia article on R2-D2 :
(Redirected from Jackie Aprile, Sr) Giacomo Michael Jackie Aprile Sr. , played by Michael Rispoli, is a fictional character on the HBO original series The Sopranos. He was the first acting boss of the DiMeo Crime Family, after longtime reputed boss Ercole 'Eckley' DiMeo was sent to prison in 1995.