ateez ikon crumbs: a thread
predebut seonghwa performing rhythm ta
predebut mingi rapping to bobby's part in im different
mingi and hongjoong singing hit me by mobb on idol radio (2018)
ateez guessing game where mingi mentioned ikon (2019)
ikon songs were used as bgm a lot on their predebut show codename is ateez (2018) / more clips below
thread of ikon songs used in codename is ateez https://twitter.com/xenotflower/status/1272971475352457217?s=19
they played a guessing game on vlive where mingi said his favorite artist was bobby and san sang a line from i love you 
(2019)


hongjoong singing love scenario (2019)
yeosang tried to rap to hanbin's smtm song be i (2019)
predebut hongjoong got inspired by bobby and hanbin to join the polished man campaign that brings awareness to violence against children. ateez are now ambassadors of the campaign

wooyoung and san once mouthed and rapped lyrics to climax but the video is gone and i cant find it :(
latest one!! wooyoung singing long time no see (2020)
san shared that the first ever concert he went to was an iKON concert (2021)
https://www.billboard.com/amp/articles/news/international/9532279/ateez-interview-20-questions-zero-fever-part-2

ateez being mentioned on ikon's day6 kiss the radio guesting
fan: jinhwan i heard you changed numbers with ateez wooyoung
jinhwan: oh? how could you know? we exchanged numbers on kingdom (2021)
fan: jinhwan i heard you changed numbers with ateez wooyoung
jinhwan: oh? how could you know? we exchanged numbers on kingdom (2021)