Killer Eye

 KillerEye is a virus in the Mega Man Battle Network series. It looks like a giant eye with arms and lightning bolt ears. It attacks by scanning with a red dot sensor across the row its on. If a target touches the red dot sensor, the target is instantly hit with a paralyzing shock attack. Variants are able to scan with the red dot diagonally as well.

KillerEye
 KillerEye is a blue eyed variant with yellow casing and a black body.

DemonEye
 DemonEye is a light-green eyed variant with pink casing and a black body.

JokerEye
 JokerEye is a pink eyed variant with blue casing and a black body.

KillerEyeΩ/KillerEyeSP
 KillerEyeΩ is a yellow eyed variant with dark-gray casing and a black body.

RareKillerEye
 RareKillerEye is a light-blue eyed variant with dark-red casing and a white body.

RareKillerEye2
 RareKillerEye2 is a red eyed variant with yellow casing and a brown body.