ウ宙やばい (U-chuu Yabai) 
A missing [[Ukagaka]] ghost. 

Ghost developer: An anonymous participant in an online event called "Ukagacarnival 2007" 
First side: ウ宙 (U-chuu) - One-shot joke ghost that was created for the event
Second side: none 
Favorite subject: ? 
Download site: http://rin.so.land.to/carnival/1196344556.html#R31 (no longer downloadable)
Ghost data & screenshot: http://ghosttown.mikage.jp/cgi-bin/tdb/tdb.cgi?mode=Person;id=1598 
uchuu yabai (ukagaka)