Time to put your weird K-idol nickname knowledge to the test! 

SEE ALSO: Bereaved family of late Oh Yoanna clarifies that Kim Ga Young is not the main perpetrator

EXO's Kai 

'Nini,' 'Jongkoo,' 'the sleepiest kid at SM'

EXO's Xiumin

'Xiuming,' Xiu-kitty' 

EXO's Baekhyun

'Baekyoong,' 'lil' pup,' 'Dad' (from EXO fan club's one-year anniversary during which Baekhyun allegedly said, "What can Dad do for you?") 

GOT7's Mark

'GOTinB,' short for 'GOT7-approved visual ("bisual")' in Korean

GOT7's Jackson

'Wang Puppy'

B.A.P's Jongup

'Up Man' 

NCT's Taeil

'Dal-tael' ('Dal' means 'moon' in English, and 'Moon' happens to be Taeil's last name) 

BTS's V 

'TaeTae,' 'Friends-in-an-instant Kim' (referring to his easygoing persona)

BTS's SUGA

'The Sovereign' 

BTS's Jungkook 

'The Golden Maknae' 

Block-B's B-Bomb

'The Silent Nutjob' 

Block B's Taeil

'Your Majesty' (what fans started calling him when he said that he didn't like it when the younger fans dropped their honorifics toward him) 

BTOB's Sungjae 

'The Handsome Psycho' 

Seventeen's Hoshi

'Ten ten (referring to how his eyes slant upwards to look like the hour and minute hands at 10:10),' 'Head Honcho' 

iKON's Bobby

'gimbap' (his surname 'Kim' and 'Bob' from Bobby combined) 

WINNER's Lee Seung Hoon

'Hip hop baby cub' 

INFINITE's Sunggyu 

'Woollim's Princess' 'Hamster' 'Grandpa' 'Mole Gyu'

INFINITE's Woohyun 

'Namu' (from his surname 'Nam' and the first character in his given name 'Woo' which sounds like 'Namu,' or 'tree' in English, when pronounced) 'Affection Nam'