The Gadsden flag, that includes a rattlesnake and the word "Don't Tread on Me

https://kylervbbv051.readspirex.com/posts/civil-war-flag-battles-famous-engagements-and-their-banners

The Gadsden flag, proposing a rattlesnake and the phrase "Don't Tread on Me," became adopted by using a few Confederate sets as a symbol of resistance towards perceived oppression.