8794
Once the show began airing , Niles became a breakout character , and more focus was added to the brothers ' relationship , and other plots centering on Niles , starting in the second season .
 Niles, Niles
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Niles, Niles