Giger

Giger is a giant robot that was used by A.I.M.S. to contain the rouge HumaGear, however one of the bots was hacked by a member of MetsubouJinrai.NET operative named Jin making this one of two antagonist (the other was a Dodo Magia) in episode 8 and the main antagonist in episode 9 of 2019 TV series called Kamen Rider Zero-One.