To Use Silicone Baking Molds.
Silicone is the next generation in bakeware. It's easy to use and works better than nonstick pans. Though they do need greasing. Silicone molds are flexible and elastic. Easy to remove and can withstand temperatures up to 500 degrees Fahrenheit. They're available for cakes.
12 Tips on Baking With Silicone Molds.
If you do end up getting a couple of novelty molds. One way to a full recipe's worth of cake or some other bread-like concoction is to am a collection of different baking molds or to have extra silicone baking cups on hand to small muffins or cupcakes with the batter that doesn't fit into your novelty-shaped mold.