318377
However , the popular characters of Looney Tunes and Merrie Melodies intentionally had enduring adult appeal from the first , and with the success of other prime-time television specials , such as Charlie Brown , in the mid-1970s , network programmers were finally convinced to give the Warner Bros. animated characters another chance in prime time .
 Warner Bros.
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Warner Bros.