Tensei Ida

Tensei Iida (飯田天睛), also known as Turbo Hero Ingenium (ターボヒーロー・インゲニウム), is the older brother of Tenya Iida and a Pro Hero.

Ultimate Space & Jams Arc
Ingenium is briefly mentioned by Tenya, when talking about his family.

Sports Festival Arc
Ingenium is heavily injured by Stain and left for dead. However, the police find him and he is taken to hospital for emergency treatment.