Is squid billies based on Beverly Hill billies?

a hill billey s a weird, crazy person. that's my perspective.

My personal opinion is hill billy's originate from families or persons who live and grow up in remote parts of the country. These people or families are without the necessities such as running water,...

Mostly, they don't marry relatives, but in a small, relatively isolated community, the options for marriage partners are limited and sometimes cousin marriages occur.

The answer is: "Unto the Hills" - a daily devotional book by Billy Graham.

Only non-castrated male goats are called billy.