There is a villain character called Joffrey in Game of Thrones.
Tips
usage
杰弗里 is used for both 'Jeffrey' and 'Geoffrey/Joffrey' in Chinese transliteration. In Game of Thrones subtitles, 乔弗里 (Qiáofúlǐ) is also used for Joffrey, while 杰弗里 is more standard for the English name Jeffrey.