Who created 'Game of Thrones'?

Who created 'Adventure Time'? On which network did 'The Great British Bake Off' originally air? In what year did 'The Great British Bake Off' premiere? In what year did 'Game of Thrones' premiere? On which network did 'Homeland' originally air? In what year did 'Homeland' premiere? Who created 'Homeland'? On which network did 'Shameless' originally air?