Shango is worshipped in Haitian Vodun, as a god of thunder and weather; in Brazilian Candomblé Ketu (under the name Xangô); in Umbanda, as the very powerful loa Nago Shango; in Trinidad as Shango God Of Thunder, drumming and dance ; and in Cuba, Puerto Rico and Venezuela - the Santeria equivalent of St. Barbara[2], a traditional colonial disguise for the Deity known as Changó.

In art, Shango is depicted with a double-axe on his three heads. He is associated with the holy animal, the ram, and the holy colors of red and white.
Shango de Baptist - Trinidad and Tobago originating belief system that combines Orisha Worship with Christi's John de baptist
St babara of catholic church is said to be taken as sango in Brazil


The religious ritual of Shango was possibly designed in order to help the devotees of Shango gain self-control. Historically, Shango brought prosperity to the Oyo Empire during his reign. After deification, the initiation ceremony dictates that this same proseperity be bestowed upon followers, on a personal level. According to Yoruba and Vodun belief systems, Shango hurls bolts of lightning at the people chosen to be his followers, leaving behind imprints of stone axe blade on the Earth's crust. These blades can be seen easily after heavy rains. Worship of Shango enables- according to Yoruba belief- a great deal of power and self-control. Shango altars often contain a carved figure of a woman holding a gift to the god with a double-bladed axe sticking up from her head. The axe symbolizes that this devotee is possessed by Shango


Read more here
http://en.wikipedia.org/wiki/Shango