Also known as: アンチ(SSSS.GRIDMAN), アンチ
A special Kaiju boy created by Shinjou Akane with the ability to copy Gridman (Ssss)'s abilities. Although he is very loyal to his creator, he gets frequently mistreated by Akane and thus, along with several events that taught him the meaning of life, would eventually gain the ability to transform into Gridknight (Ssss.Gridman).