Dr. Kuseno

Dr. Stench is a scientist of justice, who transformed Genos into a cyborg.

Personality
He is a father figure to Genos, expressing his concern for the latter. He always reminds him of not being reckless all the time and that they are together in their battle.

History
4 years ago, Dr. Stench passed Genos' destroyed hometown, pursuing the mad cyborg who rampaged it. However he took Genos with him, who begged to transform into a cyborg, to which Dr. Stench complied to and modified him into a cyborg. He was promised by Genos that he would find the mad cyborg and destroy him.

Plot
After defeating G4, Genos went to him and brought some of it's parts. Amazed by what the latter has brought, Genos expresses his desire to become stronger and wants to use the parts if possible. Expressing his concern for the young cyborg, he also asks him about the current whereabouts of the cyborg that they're seeking. Genos replies nothing but expresses his hatred and would want to destroy it. Seeing this, Dr. Stench reminds him that he is not alone in his fight and not to be reckless.

Abilities
Dr. Stench possesses a great intellect, having created Genos' cyborg body on his own.