>>14113097The tribe of Dan were the greeks. The snake is a symbol of their God hermes, and was one of the most popular symbols of ancient greece. It's still used in medicine today.
Danaan is what greeks used to call themselves. The tutha da danaan were greeks.
The lost tribes were never from Israel. It was their way of describing their neighbors. They believed all men were descended from adam, and therefore a single tribe.