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Long also supported Rudolph Valentino in three of his films of the early 1920s but is now best remembered for his roles in several Laurel and Hardy films in the 1930s as a comic villain .
 Long, Rudolph Valentino
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Long, Rudolph Valentino