Is George Martin real?

If you are referring to the American author George R.R. Martin of Game of Thrones fame, yes, he is very real. He was born on September 20, 1948, in New Jersey. He wrote the best-selling book series A Song of Ice and Fire, which has been adapted into the international hit HBO television show Game of Thrones. He also serves as the series' co-executive producer and writes one episode per season.