Gli-Eye

Gli-Eye (グライアイ) is a flying enemy from the Mega Man Zero series that appears hanging on the ceiling, and then flies in the direction of enemies that approach it.

Video game appearances
In the first Mega Man Zero game, Gli-Eye appears during the mission Zero faces Sage Harpuia and the Neo Arcadia Tower stage. In Mega Man Zero 2, it appears in Phoenix Magnion's stage and in Yggdrasil.

Gli-Eye also appears in one of Zero's attacks in SNK vs. Capcom: SVC Chaos.

Other media
One Gli-Eye is used as a camera by Sage Harpuia in the Rockman Zero manga to spy on Zero.