Trunko is the nickname for an animal or globster reportedly sighted in Margate, South Africa, on October 25, 1924, according to an article entitled "Fish Like A Polar Bear" published in the December 27, 1924, edition of London's Daily Mail. The animal was reputedly first seen off the coast battling two killer whales, which fought the unusual creature for three hours. It used its tail to attack the whales and reportedly lifted itself out of the water by about 20 feet. One of the witnesses, Hugh Ballance, described the animal as looking like a "giant polar bear" during a final fight.

The creature reputedly washed up on Margate Beach but despite being there for 10 days, no scientist ever investigated the carcass while it was beached, so no reliable description has been published, and until September 2010 it was assumed that no photographs of it had ever been published. Some people who have never been identified were reported to have described the animal as possessing snowy-white fur, an elephantine trunk, a lobster-like tail, and a carcass devoid of blood.