Saute the garlic, bell pepper and celery until tender. Add chicken stock and season to taste. Add some butter and lemon juice too, for added flavor. Add catfish, then simmer until catfish it cook through, and falling apart some. Add seasonings such as salt, black pepper, cayenne pepper. Then, add green onions, parsley, lemon. Stir together and in the end add the crab meat. After everything is mixed, fold in bread crumbs to make a stuffing mixture. Just thicken it to the consistency that you like. Once you have gotten the consistency that you want, roll the stuffing in buttermilk, and then into crumbled Keebler Club Cracker. Fry in butter over medium heat and when cooked, serve on plate with lettuce and lemon.