Novelty covers for a tank including tank walls defining a tank perimeter, the novelty cover including a plurality of panels interconnected to define a frame surrounding a void and defining a frame perimeter, the frame perimeter being complementarily configured with the tank perimeter, wherein each of the panels in the plurality of panels includes an exterior surface with ornamentation the frame is configured to receive the tank in the void, and the ornamentation on the exterior surface of the panels forms a cohesive ornamental scene when the panels are interconnected to define the frame.