Hackers dropped a banner in Killian Court early Friday morning reading "This is a bomb. This is not a bomb. Is your ego satisfied? Brought to you by the MIT Bomb Squad.," with drawings of a bomb and a Mooninite respectively. A Lite-Brite-like depiction of the latter, an "Aqua Teen Hunger Force" cartoon character, touched off a bomb scare that paralyzed Boston on Jan. 31, 2007.