"U.A. students or not, kids are kids. Of course I was worried about 'em. But give them room to shine and... every one of them... is even more of a hero than us adults!"
Ken is a tall man of dark skin with dark, curly hair. He has pierced ears with padlocks in them. Notably, his fingertips have protrusions that resemble key teeth.
Part of his hero costume is a small white mask that covers his eyes. He wears a necklace around his neck with five keys dangling from it. Rock Lock wears a two-colored, short-sleeved shirt with a black section and a white print on it, resembling a keyhole. He wears two light-colored shoulder pads with a dark keyhole shape on both of them.
Ken is a very patronizing and judgmental man who is quick to disregard people as useless and a hindrance. He is especially unsupportive of newbies and young students, aware of the fact that they are possibly children risking their lives in dangerous situations. However his negative attitude does not border to malice, as he is glad that Tamaki Amajiki did not get permanently injured. Ken is also prone to underestimating his enemies, as he is certain that the Yakuza would cower in fear and surrender or run away.
Ironically, he does not like being patronized or underestimated himself.
Ken married a woman four years younger than him. They had a son who takes after Ken.
Ken attends a discussion regarding the Eight Precepts of Death. He is confused about the presence of the U.A. High School students, as he deems them unfit to be a part of the discussion and incapable of contributing. When Tamaki demonstrates that he can still use his Quirk despite being shot with the anti-Quirk drug, Ken states his relief. When Sir Nighteye reveals that the anti-Quirk drugs have human blood cells in them and Eijiro Kirishima does not understand it right away, Ken points out that he knew the children would hold the discussion back. As Sir Nighteye further reveals that Overhaul's daughter is the one whose blood is used and that Izuku Midoriya and Mirio Togata already encountered them, Ken merely points out that the whole thing would be over with, if they had saved her right there.
With the main mission being the rescue of Eri, Ken asks if they know for certain where she is and points out that they might have removed her from the hide-out. After Sir Nighteye explains how his quirk works and that he can't prevent what he sees, using death as example, Rock Lock challenges him and tells him he'll avoid his prediction a hundred times, only for Sir Nighteye to tell him that he cannot.
Ken later scouts out the urban environment and finds the Eight Precepts of Death's hideout. Later, when it is confirmed that Eri is in their hideout, Ken criticizes Sir Nighteye for wasting his daily turn of his Foresight, on checking out a villain who was buying a toy for Eri.
At the day of the mission, at 8:30am, Ken and several other heroes and police units gathered in front of the villain hideout. As the police officer asks them to do everything as smooth as possible, Ken is getting impatient and feels like the officer does not trust them. He then explains on how the Yakuza are cowards and will probably not put up a big fight. When the heroes and the police are being attacked, he is surprised that they are not scared at all and put up a fight.
Quirk and Abilities
- Deadbolt (
本締Deddoboruto?): By touching a nearby surface and performing an 180° spin with his hand, Ken secures his immediate area down in a point of space. It is first used against Joi Irinaka.
- He likes bicycles.
- Ken shares his first name with Ken Ishiyama, the Pro Hero Cementoss.
- ↑ Boku no Hero Academia Manga: Chapter 138, Page 9
- ↑ Boku no Hero Academia Manga: Chapter 153, Page 6
- ↑ Boku no Hero Academia Manga: Chapter 147, Page 2
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