5354
He is one of the twin sons of Sparda , a demon knight who sided with humanity and drove back an invasion of the human world by demons about 2,000 years before the series ' events .
 person: Sparda
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Sparda