1) Attractive femme 2) Beguiling person 3) Casanova type 4) Dissembler 5) English folklore 6) Girl with fascination 7) Human smoothie 8) Hypocrite 9) Many a con artist 10) Musician with snakes 11) Persuasive one 12) Phoney 13) Phony 14) Pretender 15) Smooth operator 16) Smooth talker 17) Smooth-talker Found on https://www.crosswordclues.com/clue/charmer
• (n.) One who delights and attracts the affections. • (n.) One who charms, or has power to charm; one who uses the power of enchantment; a magician. Found on http://thinkexist.com/dictionary/meaning/charmer/
Charm'er noun 1. One who charms, or has power to charm; one who uses the power of enchantment; a magician. Deut. xviii. 11. 2. One who delights and attracts the affections. Found on http://www.encyclo.co.uk/webster/C/56