yoo jae-seok (yu jae-suk; nation mc ( mc) karena ia sering menjadi mc di banyak kesempatan seperti di acara infinite challenge, running man, x-man, dan family outing.
yoo jae-seok memiliki lebih dari 77 nama panggilan berkat penampilannya di infinite challenge and running man, seperti nal yoo, yoo banjang, god yoo, yoo hyuk, grasshopper, yooruce willis, dll , diakses pada 2 juli 2013.
nama panggilan "the grasshopper" didapatkan karena pada penampilan awal ia berpakaian sebagai belalang.
yoo jae-seok juga dikenal cekatan dan disukai oleh seluruh kalangan, serta telah membuktikan dirinya sebagai salah satu komedian dan pesohor papan atas korea.pada 16 juli 2015 yoo jae-seok telah menandatangani kontrak bersama fnc entertainment.hal ini telah di maklumkan oleh pihak fnc ent sendiri.
pembawa acara tv
daftar program saat ini
mbc: host infinite challenge () (sejak 2005.04.23)
kbs2: host happy together musim 3 (  3) (sejak 2007.6.28)
sbs: host good sunday  running man (   ) (sejak 2010.7.10)
daftar bekas program
mbc: yoo jae-seok &
kim won-hee's come to play (  ) (2004 ~ 2012) host
sbs: good sunday  family outing (     2008.6.15 ~ 2010.2.14) host
sbs: good sunday  miracle contestant (     2007.11.11 ~ 2008.2.3)
sbs: good sunday  old tv (   tv, 2007.6.17 ~ 2007.11.04) host-in-chief
sbs: good sunday  haja go! (let's do it!) (   !
2007.4.15 ~ 2007.6.10) host-in-chief
sbs: yoo jae-seok's truth game (   2005 ~ 2007) host
sbs: real situation saturday/good sunday  x-man (!
/   x 2003.11.8 ~ 2006.10.29) host-in-chief
kbs2: happy together friends (   2005.5.5 ~ 2007.6.21) host
sbs: good sunday  new x-man (    x 2006.11.5 ~ 2007.4.8) host-in-chief
kbs2: happy together  tray singing room (karaoke) (     2004 ~ 2005) co-host
kbs: dangerous invitation (  2003) co-host
exclamation mark  read a book!
book! (!  !! !) co-host
kbs2: super tv enjoy sunday  host big match (tv    mc ) co-host
mbc: achievable saturday  star survival donggeodongrak (live and fun together) (      20002001) host
stand-up komedi televisi
2001 open gag concert
2002 jubilee gag concert
200203 g-family gag concert
2004 gag family concert
200001 kbs great friends
2008 mbc lee-san  cameo
2009 mbc the queen of assistance  interviewee/new employee of queens food (cameo)
1994 tyranno's toenail
2008 bee movie (korean dubbing as barry b.
2009 white tuft, the little beaver (korean dubbing as narration &
aktor music videos
2004 shinnago ()  "cause' you're pretty" ()
2005 kang ho-dong's carol album oh happy day  "look out the window"
2009 future liger (project group w/ tiger jk, tasha)  "let's dance"
2012 psy () - "gangnam style" ()
2013 psy () - "gentleman" ()
2015 jinusean - "   feat.
(tell me one more time)'"
2000 [kbs] fm date
2000 [mbc] fm plus
2000 [mbc] lee hui-jae's starry night (k-pop quiz)
2001 [mbc] wishlist songs playing at noon
2003 [mbc] a date at 2 pm
2005 [mbc] wishlist songs playing at noon (nutrition tonic talk show with kang ho-dong)
2005 [mbc] defeat the boredom
2005 [sbs] haha's ten ten club
2005 [sbs] all thanks to you
2006 [mbc] wishlist songs playing at noon (nutrition tonic talk show no. 2 with kang ho-dong)
2006 [mbc] park myung-soo's fun fun radio (summer special)
2006 [sbs] no hong-chul's our belated youthful days
2007 [mbc] park myung-soo's fun fun radio (phone)
2007 [mbc] park myung-soo's fun fun radio (the age of a big star)
2007 [mbc] yoon jong-shin's a date at 2 pm (stalking)
2008 [mbc] park myung-soo's a date at 2 pm (phone)
2008 [mbc] park kyung-rim's starry night (phone)
2009 [sbs] song eun-eee, shin bong-suns' dong go dong rak (with noh hong-cheol)
2006 "all you need is love"  bersama anggota infinite challenge
2007 "if i do it or not" ()  bersama noh hong-cheol
2007 "fascination of samba" ( )  bagian dari infinite challenge song festival ( )
2009 "the family's day" ( )  bersama anggota family outing
2009 "let's dance"  bagian dari infinite challenge olympic road duet song festival dengan tiger jk, tasha (  )
2011 "apgujeong nallari" ( ) - bagian dari infinite challenge west coast highway music festival dengan lee juck sebagai "sagging snail" ()
2011 "as i say" ( ) - bagian dari infinite challenge west coast highway music festival dengan lee juck sebagai "sagging snail" ()
2012 "room nallari" ( ) - sagging snail ()
2012 "a seagull suffering from heat stroke" (  )  bagian dari infinite challenge "i am singer in my own right"
music showcase bersama song euni, kim suk (, ) (parodi dari noh hong chul and rockbrain (heat stroked seagull))
1991 inaugural kbs college student gag competition
2003 best tv presenter, kbs entertainment award
2003 best excellence award in show/variety category, mbc entertainment award
2005 grand award, kbs entertainment award
2006 best tv mc, 18th korean broadcast producers' award
2006 awarded in tv entertainment, 42nd baeksang arts award
2006 'speech award' from blue media
2006 grand award, mbc entertainment award
2007 grand award, mbc entertainment award (with infinite challenge members)
2008 mnet 20's choice awards (variety star category)
2008 grand award, sbs entertainment award
2009 grand award, mbc entertainment award
2009 grand award, sbs entertainment award (with lee hyo-ri)
2010 grand award, mbc entertainment award
2011 mc award, mbc entertainment award
2011 grand award, sbs entertainment award
2012 pd award, mbc entertainment award
2012 daesang award, sbs entertainment award
2012 popularity award, sbs entertainment award
1998 ob lager beer
2000 new century i-touch 017
2002 bando sports
2003 gold feel
2007 nene chicken
2007 tg sambo computer
2007 tg sambo computer  luon crystal
2008 shinhan group (2nd)
2008 nene chicken (2nd)
2009 nene chicken (3rd)
2009 shinhan group (3rd)
2010 abc mart
2013 coca cola (infinity challenge )
2007 s/s sfaa seoul collection lee sang-bong fashion show
2007 10th super korea cup idsf youth open dance sports (amateur) jive
2008 participant of seoul design olympic
2008 aerobic 6-person national games event
yoo jae-seok  kbs world
yoo jae-seok  han cinema