- group: b1a4
- company: wm entertainment
- stage name: sandeul (산들)
- name: lee junghwan (이정환)
- d.o.b: march 20, 1992 ; 920320
- zodiac: pisces
- birthplace: busan, south korea
- nationality: korean
- position: main vocal
- *also a solo artist!
may 7 2017 ∞
jul 18 2017 +
jul 18 2017 +