Jang Ji Soo (Quaddurup / QDR) (1999)
Other Name: 꽈뚜룹 장지수 Chang Ji Soo
Age: 25
Birthday: December, 08, 1999
Nationality: South Korea
Height: 0 CM
Zodiac sign: Sagittarius
Jang Ji Sou, known by the stage name Quaddurup, is a South Korean YouTuber and streamer. He debuted as a rapper in 2020.