Daenerys Targaryen is a character in a J.R.R. Tolkein series.
A Game of Thrones is the first novel in A Song of Ice and Fire , a series of fantasy novels by American author George R. R. Martin . Daenerys Targaryen is a fictional character in George R. R. Martin 's A Song of Ice and Fire series of novels , as well as the television adaptation , Game of Thrones , where she is portrayed by Emilia Clarke . Introduced in 1996 's A Game of Thrones , Daenerys ( along with her older brother , Viserys ) is one of the last confirmed members of House Targaryen who , until fifteen years before the events of the first novel , had ruled from the Iron Throne for nearly three hundred years . Daenerys was one of a few prominent characters not included in 2005 's A Feast for Crows , but returned in the next novel A Dance with Dragons ( 2011 ) .