yozm
Dongwoon http://yozm.daum.net/beast_sq
Hyunseung http://yozm.daum.net/cbhs00
Yoseob http://yozm.daum.net/qltmxmdytjq

cyworld
Junhyung http://www.cyworld.com/JKer89
Kikwang http://www.cyworld.com/Human-Tree
* The other members' Cyworld accounts are no longer active.

twitter
Doojoon http://twitter.com/BeeeestDJ
Junhyung http://twitter.com/Joker891219
Dongwoon http://twitter.com/beastdw
Choi Jinho (최진호) (Director) http://twitter.com/B2ST74
Yoseob http://twitter.com/helloimys
Kikwang http://twitter.com/B2stGK
Roh Hyun Tae (노현태) (Director) http://twitter.com/samyousam
Choi Kyu Sung (최규성) (Writer/Composer) http://twitter.com/deer_nose
Park JaeHyun (박재현) (Director) http://twitter.com/park3516
Park Se Hun (박세훈) (CUBE) http://twitter.com/cubeentsh
BJ Jang (BJ 장) (CUBE Advertisement/Kikwang's old manager) http://twitter.com/castleBJ
Lim Yongun (CUBE Manager) http://twitter.com/CUBE_LIMYONGUN
Hong JinTaek (CUBE Manager) http://twitter.com/hellojt_

Son Jungeun aka Bononim (Former CUBE Development Team member) http://twitter.com/bononim
Doyoun Kim (BEAST's Japanese teacher) http://twitter.com/yoniee1004