"Create a recipe for Jellycat-inspired petite fours themed around Timmy Turtle and Ricky Rain Frog. Make them cute, elegant, and bite-sized, with two flavor/color variations that evoke each character without using copyrighted logos or exact character likenesses. Include a tender cake base, a thin filling or glaze, and decorative finishes that suggest a turtle and a rain frog. Keep the recipe approachable for home bakers and suitable for a special occasion dessert platter."