name the fictional character painted by william peter blatty and portrayed in exorcist ii: the heretic ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_creator dbr_William_Peter_Blatty sep_dot var_uri dbo_portrayer dbr_Exorcist_II:_The_Heretic sep_dot var_uri a dbo_FictionalCharacter brack_close