Interesting words – Mountebank and Charlatan

moun·te·bank (mount-bngk)
n.

1. A hawker of quack medicines who attracts customers with stories, jokes, or tricks.
2. A flamboyant charlatan.

char·la·tan (shärl-tn)
n.
A person who makes elaborate, fraudulent, and often voluble claims to skill or knowledge; a quack or fraud.