Aside from group names, some of the idol members themselves could have debuted under different names!  Some of these are ridiculous and some of them are cute - check to see which ones you like and which ones make you laugh!

SEE ALSO: C9 Entertainment to launch new boy group

Leeteuk -> Kang Soo

Sun -> Sunny

Kyuhyun -> Gwee Hyun (distinguished person)

T.O.P -> Mark

Taeyang -> Taekwon

Sohee -> IC

DAESUNG -> BIG CASTLE

Yuju -> Aria

Kangin ->Woongdam (bear's gallbladder)

Sunmi -> Berry

Shindong -> Udon

HyunA -> Mint

Sungjae -> Ryu

Seungri -> Sonic

Junjin -> Lee Gi Go (winning)