The seal of the Cottonmouth Police Department coincidentally resembles the Atlanta Police Department seal.
This means that Cottonmouth police might be a parody of New Orleans Police Department. It might be also a white star, but poorly detailed.
CARRY ON RAINBOW ROWELL WELSH PATCH
They are responsible for enforcing the law and maintaining safety within their districts while some, nicknamed "rent-a-cops" can be hired as security guards. They also wear black with yellow rankings on their shoulders, exactly the same as their real-life counterpart. The Cottonmouth Police Department are based on New Orleans Police Department because they have a patch similar to N.O.P.D's, blue uniforms as well as similar hats.