Simplify the following text for a Grade 9 native English-speaking person.
Original: Theodore R. `` Teddy '' Long ( born September 15 , 1947 ) is an American General manager and former professional wrestling referee who currently works for World Wrestling Entertainment on its SmackDown brand as its General Manager .
Simplified: Theodore Robert Long ( born September 15 , 1955 ) is an American former professional wrestling referee and manager , who is currently working for World Wrestling Entertainment on its ECW brand as the General Manager . He is best known for his role as the General Manager of SmackDown ! .