- group: pentagon
- company: cube entertainment
- stage name: yeo one (여원)
- name: yeo changgu (여창구)
- d.o.b: march 27, 1996 ; 960327
- zodiac: aries
- birthplace: daejeon, south korea
- nationality: korean
- position: lead vocal
may 7 2017 ∞
jul 18 2017 +
jul 18 2017 +