Four-dimensional Space Whale

The Four-dimensional Space Whale is a giant creature native to the fourth dimension.

Biology
A giant cetacean, that resembles a sperm whale with six flippers, three tailed fluke. These whales feed on the obsession of others, only breach into the universe to hunt and fill their lungs with vacuum. Anyone they swallow remains in an infinitely cycling loop that recycles time, thus preventing them from aging.

Appearances

 * Futurama Season 6 Episode 8: Möbius Dick (2011)