18932
The group , then billed as The Five King Cousins , were featured in the show ’s youthful ensemble of performers which included host John Davidson , and comedians Richard Pryor , Flip Wilson and George Carlin .
 Richard Pryor, Flip Wilson, George Carlin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Richard Pryor, Flip Wilson, George Carlin