Gilarus

Gilarus is the first virus monster to fight Gridman in the series Denkou Choujin Gridman.

Subtitle: Crystal Kaiju (結晶怪獣ギラルスKesshōkaijuu Girarusu?, 1)

Stats:
Height: N/A

Weight: N/A

Powers:
Pending.

History
Takeshi’s first[http://en.wikipedia.org/wiki/Dinosaur dinosaur-like monster, with a diamond-covered back. It was sent into the hospital's computer system as Daichi was undergoing surgery at that time. Gilarus created havoc in the operating room which prevented the surgeons from treating him. Naoto and the gang took it upon themselves to stop the mayhem. However, normal antivirus methods were useless against the monster; but with the sudden appearance Gridman, Naoto merged and quickly defeated the monster with the Grid Beam. ]

MehaGilarus
An upgraded form of Gilarus from episode 14 ofDenkou Choujin Gridman.

Subtitle: Mecha Crystal Kaiju (メカギラルスMeka Girarusu)

Stats:
Height: N/A

Weight: N/A

Powers:
Pending

History:
Gilarus' data was later upgraded into Mecha Gilarus, redesigned with body armor and steel claws. Mecha Gilarus was used to tamper with time all around the world and the internal clocks of every human; Yuka and Naoto were in the basement at the time and therefore were unaffected. The upgraded monster was destroyed by Thunder Gridman's Thunder Grid Beam.