Jumbo Ray is a type of manta appearing in New Super Mario Bros. Wii. They appear only in World 5. Mario, Luigi, and the Toads can use them as platforms to get themselves across the level. They also appear in other mario games such as Mario Party Ten, in the backgrounds of games like bouncy bubbles thingy.
They appear to be able to fly even as high as the clouds. The creatures have yellow goggles and green skin.