Killer Eye

Killer Eye, known as Killer's Eye (キラーズアイ) in Japan, 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 (デモンズアイ) is a light-green eyed variant with pink casing and a black body.

JokerEye
JokerEye (ジョーカーズアイ) 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.

Battle Chips
Sensor, known as Killer Sensor (キラーセンサー) in Japan, is the Battle Chip family from KillerEye viruses.

KillerEye also has a Battle Chip from the Virus Breeder.

Other appearances
Killer Eye appeared in Rockman Xover as the flying enemy from World 11.