Ямано Джюн'їчіро

The leading engineer of the development of the little robots afterward named LBX, and also father of the main character Ban Yamano.

> He supposedly died 5 years prior to the beginning of the series, but is actually held captive by the Innovators. > He entered the Artemis Tournament using the secret alias Masked J, using the LBX "Masquerade J".