Acting
Olltii
January 2 1996- Place of birth: South Korea
- Gender: Male
- Also known as: 올티, 정우성, Jung Woo-sung
Jung Woo-sung, better known by his stage name Olltii, is a South Korean rapper. He was a contestant on Show Me the Money 3. He released his first album, Graduation, on February 24, 2015.
