Ereki Kaminarimon

He's the president of the Kaminarimon Company and a former Konohagakure shinobi.

Background
After fighting in the Fourth Shinobi World War, he retired from active-shinobi status and started the Kaminarimon Company. Eventually, he had a son named Denki, whom he began grooming to become his company's future successor.

Personality
A very business-oriented man, he focuses constantly on the future. Openly accrediting his company's success to his achievements during the Fourth Shinobi War, he has great faith in shinobi. As such, wanting for his son Denki to inherit his company, he believes his son needs to learn ninjutsu as well as academics to succeed him. Very stern in his views and parenting style, when Denki spoke up against this envision, he slapped him without any hesitation.

Appearance
He has black hair most of which is worn in a topknot and sports a thin moustache as well as a beard. He wears a traditional green kimono.

Academy Arc
The day before Denki was to begin at the Academy, he slapped his son after he spoke against wanting to attend it. The next day, he sends a letter to the Seventh Hokage to offer to pay for all the damages done throughout Konoha that was caused by the Thunder Rail.

Graduation Arc
During the parent teacher conference at the Academy, he was grateful when Denki said he was going to become a shinobi.