premise: Petyr Baelish is created by an American author George R.R. Martin.
hypothesis: Petyr Baelish , nicknamed Littlefinger , is a fictional character created by American author George R. R. Martin . He is a prominent non-point of view character in Martin 's award-winning A Song of Ice and Fire series , and a main character in HBO 's adaptation of the series , Game of Thrones , where he is portrayed by Aidan Gillen . Songs of Stars and Shadows is the second short story collection by author George R.R. Martin .