classical mythology Classical mythology, Greco-Roman mythology, or Greek and Roman mythology is both the body of and the study of myths from the ancient Greeks and ancient Romans as they are used or transformed by cultural reception. Along with philosophy and poli ...

, the Cap of Invisibility (Ἅϊδος κυνέη ''(H)aïdos kyneē'' in Greek, lit. dog-skin of Hades) is a helmet or cap that can turn the wearer

invisible Invisibility is the state of an object that cannot be seen. An object in this state is said to be ''invisible'' (literally, "not visible"). The phenomenon is studied by physics and perceptual psychology. Since objects can be seen by light in ...

, also known as the Cap of Hades or Helm of Hades. Wearers of the cap in Greek myths include

Athena Athena or Athene, often given the epithet Pallas, is an ancient Greek religion, ancient Greek goddess associated with wisdom, warfare, and handicraft who was later syncretism, syncretized with the Roman goddess Minerva. Athena was regarded ...

, the goddess of wisdom, the messenger god

Hermes Hermes (; grc-gre, wikt:Ἑρμῆς, Ἑρμῆς) is an Olympian deity in ancient Greek religion and Greek mythology, mythology. Hermes is considered the herald of the gods. He is also considered the protector of human heralds, travelle ...

, and the hero Perseus. Those wearing the Cap become invisible to other supernatural entities, akin to a cloud of mist sometimes used to remain undetectable.

Origins

One ancient source that attributes a special helmet to the ruler of the underworld is the '' Bibliotheca'' (2nd/1st century BC), in which the Uranian Cyclops give

Zeus Zeus or , , ; grc, Δῐός, ''Diós'', label= genitive Boeotian Aeolic and Laconian grc-dor, Δεύς, Deús ; grc, Δέος, ''Déos'', label= genitive el, Δίας, ''Días'' () is the sky and thunder god in ancient Greek reli ...

the lightning bolt,

Poseidon Poseidon (; grc-gre, Ποσειδῶν) was one of the Twelve Olympians in ancient Greek religion and myth, god of the sea, storms, earthquakes and horses.Burkert 1985pp. 136–139 In pre-Olympian Bronze Age Greece, he was venerated as a ...

the

trident A trident is a three- pronged spear. It is used for spear fishing and historically as a polearm. The trident is the weapon of Poseidon, or Neptune, the God of the Sea in classical mythology. The trident may occasionally be held by other mari ...

, and a helmet ''(kyneê)'' to Hades (or Pluto) in their war against the

Titans In Greek mythology, the Titans ( grc, οἱ Τῑτᾶνες, ''hoi Tītânes'', , ''ho Tītân'') were the pre-Olympian gods. According to the ''Theogony'' of Hesiod, they were the twelve children of the primordial parents Uranus (Sky) and Gai ...

. In

the helmet is regularly said to belong to the god of the underworld. Rabelais calls it the Helmet of Pluto, and

Erasmus Desiderius Erasmus Roterodamus (; ; English: Erasmus of Rotterdam or Erasmus;''Erasmus'' was his baptismal name, given after St. Erasmus of Formiae. ''Desiderius'' was an adopted additional name, which he used from 1496. The ''Roterodamus'' w ...

the Helmet of

Orcus Orcus ( la, Orcus) was a god of the underworld, punisher of broken oaths in Etruscan and Roman mythology. As with Hades, the name of the god was also used for the underworld itself. In the later tradition, he was conflated with Dis Pater. A ...

. The helmet becomes proverbial for those who conceal their true nature by a cunning device: "the helmet of Pluto, which maketh the politic man go invisible, is secrecy in the counsel, and celerity in the execution."

Users

Hades

As the name implies, Hades owned the helmet. It was forged for him by Elder Cyclopses after he and his brothers Zeus and Poseidon freed them from Tartarus. He then used this helmet to great effect during the

Titanomachy In Greek mythology, the Titanomachy (; grc, , , Titan battle) was a ten-year series of battles fought in Ancient Thessaly, consisting of most of the Titans (the older generation of gods, based on Mount Othrys) fighting against the Olympians (t ...

and was instrumental in routing the Titans.

Athena

, the goddess of

wisdom Wisdom, sapience, or sagacity is the ability to contemplate and act using knowledge, experience, understanding, common sense and insight. Wisdom is associated with attributes such as unbiased judgment, compassion, experiential self-knowle ...

, battle, and handicrafts, wore the Cap of Invisibility in one instance during the

Trojan War In Greek mythology, the Trojan War was waged against the city of Troy by the Achaeans (Greeks) after Paris of Troy took Helen from her husband Menelaus, king of Sparta. The war is one of the most important events in Greek mythology and ...

. She used it to become invisible to Ares when she aided Diomedes, his enemy. Her assistance even enabled Diomedes to injure the god of war with a spear.

Hermes

The messenger god Hermes wore the Cap during his battle with Hippolytus, the giant.

Perseus

In some stories, Perseus received the Cap of Invisibility (along with the Winged Sandals) from Athena when he went to slay the

Gorgon A Gorgon ( /ˈɡɔːrɡən/; plural: Gorgons, Ancient Greek: Γοργών/Γοργώ ''Gorgṓn/Gorgṓ'') is a creature in Greek mythology. Gorgons occur in the earliest examples of Greek literature. While descriptions of Gorgons vary, the te ...

Medusa In Greek mythology, Medusa (; Ancient Greek: Μέδουσα "guardian, protectress"), also called Gorgo, was one of the three monstrous Gorgons, generally described as winged human females with living venomous snakes in place of hair. Those ...

, which helped him escape her sisters. In other myths, however, Perseus obtained these items from the Stygian

nymph A nymph ( grc, νύμφη, nýmphē, el, script=Latn, nímfi, label= Modern Greek; , ) in ancient Greek folklore is a minor female nature deity. Different from Greek goddesses, nymphs are generally regarded as personifications of nature, are ...

s. The Cap of Invisibility was not used to avoid the Gorgons' petrifying gazes, but rather to escape from the immortal

Stheno In Greek mythology, Stheno ( or ; Greek: Σθενώ, 'forceful') was the eldest of the Gorgons, vicious female monsters with brass hands, sharp fangs and "hair" made of living venomous snakes. Mythology The daughter of Phorcys and Ceto, Sthe ...

and

Euryale In Greek mythology, Euryale ( ; grc, Εὐρυάλη, lit=far-roaming") was the name of the following characters: * Euryale (Gorgon), Euryale, one of the Gorgons. * Euryale, daughter of Minos, possible mother of the great hunter Orion (mythology) ...

later on after he had decapitated Medusa.

In popular culture

In the ''

Percy Jackson & the Olympians ''Percy Jackson & the Olympians'' is a series of five fantasy novels written by American author Rick Riordan, and the first book series in the '' Camp Half-Blood Chronicles''. The novels are set in a world with the Greek gods in the 21st centu ...

'' series by

Rick Riordan Richard Russell Riordan Junior (; born June 5, 1964) is an American author, best known for writing the ''Percy Jackson & the Olympians'' series. Riordan's books have been translated into forty-two languages and sold more than thirty million co ...

Annabeth Chase A description of most characters featured in various mythology series by Rick Riordan. Overview List indicator(s) * A dark grey cell indicates that the character was not in the property or that the character's presence in the property has yet to ...

(a daughter of

) received a

New York Yankees The New York Yankees are an American professional baseball team based in the New York City borough of the Bronx. The Yankees compete in Major League Baseball (MLB) as a member club of the American League (AL) East division. They are one of ...

baseball cap from her mother that was a disguised cap of invisibility. In the same series, the main antagonist, Luke Castellan, stole Hades' Helm of Darkness, as well as Zeus' master bolt. Hades has also used it in ''

The Blood of Olympus ''The Blood of Olympus'' is an American fantasy-adventure novel written by Rick Riordan, based on Greek and Roman mythology. It was released on October 7, 2014, is the fifth and final novel in '' The Heroes of Olympus'' series. It is followed by ...

'', where he goes banishing Gaea and Tartarus's children, the giants, to

Tartarus In Greek mythology, Tartarus (; grc, , }) is the deep abyss that is used as a dungeon of torment and suffering for the wicked and as the prison for the Titans. Tartarus is the place where, according to Plato's ''Gorgias'' (), souls are judg ...

. The helmet also appears in the Italian mythological comedy ''

Arrivano i titani ''My Son, the Hero'' (Italian title: ''Arrivano i titani'' - ''The Coming of the Titans''; alternative UK title: ''Sons of Thunder'') is a 1962 mythological sword-and-sandal comedy film directed by Duccio Tessari and starring Giuliano Gemma, Jacque ...

'', but its invisibility powers work in this version only at night. The helm plays a major role in Dan Simmons' novel '' Ilium'' in which the scholic narrator Thomas Hockenberry acquires the artifact through

Aphrodite Aphrodite ( ; grc-gre, Ἀφροδίτη, Aphrodítē; , , ) is an ancient Greek goddess associated with love, lust, beauty, pleasure, passion, and procreation. She was syncretized with the Roman goddess . Aphrodite's major symbols inclu ...

in her scheme to have the scholic spy on and eventually assassinate the goddess

References

{{Greek religion, state=collapsed Mythological clothing Fiction about invisibility

Invisibility Invisibility is the state of an object that cannot be seen. An object in this state is said to be ''invisible'' (literally, "not visible"). The phenomenon is studied by physics and perceptual psychology. Since objects can be seen by light i ...

Symbols of Hades Athena Magic items Ancient helmets Deeds of Hermes