Signs and Symbols of Voodoo

African and Caribbean Voodoo
There is a lot of evil connected with Voodoo. It originated in Africa and with the spread of the slave trade it is scattered throughout the world. Mainly in the Caribbean Islands and Louisiana.   

Categorized Signs and Symbols are at these links

The Voodoo doll is a form of gris-gris, a ritualized form of invoking the spirits, or fate, to act in a defined way towards a targeted person. Gris-gris, also spelled grigri, is a voodoo amulet originating in Africa which is believed to protect the wearer from evil or brings luck.
Veve Designs used in Voodoo to summon the various Loa or spirit deities. Symbol for Baron Samadi, Lord of the graveyard and death.

This is example is just one of perhaps hundreds. Here is a google search page that has many forms. Look there and perhaps you will find what you seek if you suspect Voodoo is taking place.

Damballa is one of the most important of the LOA (gods). He is both a member of the Rada family and a root of, or racine Loa. He is depicted as a serpent who forms the arch of the heavens, and when he travels on earth deep vallys are made when he passes. Seen as a very powerful serpent his movements are used to explain away earthquakes, and tidal waves in the oceans. Damballa is seen as a huge silver white serpent

Loa Trident Compass this symbol is related to the deity Loa Eshu. Eshu is is protector of travelers, and has the power of over good and evil. He is also known to as the Spirit of Chaos and Trickery.
Another form of Loa Trident Compass. Note the three-pronged spear points of the Compass. The trident is the weapon of Poseidon, or Neptune in Mythology.