this is my code
IToken token = new Token(part.TwitterAccessTokenKey, part.TwitterAccessTokenSecret,
part.TwitterConsumerKey, part.TwitterConsumerSecret);
TokenSingleton.Token = token;
ITokenUser u = new TokenUser(token);
var list= u.GetHomeTimeline(20, true, true).ToList();
see result on screenshot

Why the Creator has null values?
IToken token = new Token(part.TwitterAccessTokenKey, part.TwitterAccessTokenSecret,
part.TwitterConsumerKey, part.TwitterConsumerSecret);
TokenSingleton.Token = token;
ITokenUser u = new TokenUser(token);
var list= u.GetHomeTimeline(20, true, true).ToList();
see result on screenshot

Why the Creator has null values?