The "Crazy Charlie Brown" is a popular and effective fly pattern in saltwater fly fishing, particularly favored for targeting bonefish. This fly is a variation of the renowned Crazy Charlie, distinguished by its vibrant brown and amber colors. The design of the Crazy Charlie Brown closely resembles small crustaceans and baitfish, key components of the bonefish diet. The fly features a brown/amber body made from synthetic fibers that provide durability and a subtle sheen. This is complemented by a sparse white and clear tail, and pearl flash materials to mimic the reflective quality of small fish or shrimp. The inclusion of dumbbell eyes adds weight, allowing the fly to sink properly and maintain a realistic orientation in the water.

The Crazy Charlie Brown is primarily used in shallow, clear saltwater environments, such as flats, where bonefish are known to feed. The bright pink color makes it especially effective in varying water clarity, helping it stand out and attract fish. Anglers typically employ a slow, steady retrieve to mimic the natural movement of the prey, pausing occasionally to let the fly sink, which can often provoke a strike. This fly is particularly useful for sight fishing, where its visibility and realistic action can entice wary bonefish to bite. The Crazy Charlie Brown is not just limited to bonefish; it's also effective for other flats species like permit and redfish, making it a versatile addition to any saltwater fly angler's arsenal.