Even though his face was covered, Silla — who stood less than 4 feet tall — became famous for sporting a floor-length hairpiece, sunglasses and a bowler hat as Cousin Itt on the 1960s ABC show “The Addams Family.” His fan-favorite character had a knack for mumbling words that were only understood by Addams family members.
Silla's face went unseen in a couple other roles, including his portrayal of the robot Twiki on the late 1970s NBC series “Buck Rogers,” and the 1983 film “Star Wars: Episode VI - Return of the Jedi,” where he played an Ewok who rode a hang glider.
“Felix knew a lot about making characters come to life with no dialog," Vent said.