Palcus - Small monkey-like creatures on the live-action sci-fi series LAND OF THE LOST/NBC/1974-77. Three of these Palcus, a boy named Cha-ka (Philip Paley), and his parents Ta (Joe Giamalva/Scutter McKay) and Sa (Sharon Baird), befriended the Marshall family, a group of humans who were accidentally transported to the Land of the Lost via a time portal. The Palcus helped the humans in their battle against the savage lizard people named the Sleestaks and any prehistoric dinosaurs that roamed the land. UCLA linguistics professor, Victoria Fromkin created a 200-word language called "Paku" for the monkey-like creatures who inhabited this prehistoric land. 

The Marshal Family with Cha-ka the Palcus