Rude, uncouth. The allusion is to Shakespeare's Caliban in The Tempest, the deformed half-human son of a devil and a witch.

The half-deformed offspring of a witch and a devil in Shakespeares The Tempest.

A moon of Uranus was discovered by Brett J. Gladman, Philip D. Nicholson, Joseph A. Burns, and John J. Kavelaars using the 200-inch Hale telescope on September 6, 1997. Caliban is also designated as "Uranus XVI" and "S/1997 U1". Caliban is the monster character from William Shakespeare's play The Tempest.

Caliban (kal'-i-ban or kal'-ə-bən, IPA ) is the second largest retrograde irregular moon of Uranus.

Caliban is a fictional character in William Shakespeare's The Tempest, a deformed monster who is the slave of Prospero. He is referred to as a mooncalf, a freckled whelp, he is the only human inhabitant of an island that is otherwise "not honored with a human form." In some traditions he is depicted as a wild man, or a beast man, or sometimes a mix of fish and man, stemming from the confusion of two of the characters about what he is, found lying on a beach.

Caliban is a mutant character in the Marvel Comics universe. The character's first appearance was in Uncanny X-Men #148.