Sis is a character seen in Machete.
- Sartana - Sister.
Sis is pronounced SIHS †. Sis has its origins in the Latin language and it is used largely in English. 1650s, abbreviated form of sister; in American English, applied generally to girls and young women (1859). It also was the familiar short form of Cecilie, Cicely, a common name for girls in the Middle English period.
Jessica Alba portrayed Sis.