Hayato Yuzuki (character)/Abilities and Powers

Stand
OK Go! is  Yuzuki Hayato 's stand. It has the power to conduct and amplify Hamon strikes, but it cannot create its own ripples. It can, however, store a minuscule amount of Hamon within, as a last resort should Yuzuki be unable to create any more for whatever reason. The scarf around the neck has 10 metal rings attached to it, which allows it to effectively be 'puppeted' by  Yuzuki  as they extend outward on threads. The scarf can also be pulled off to use as a weapon by both the Stand and the User. The speaker located at the mouth area plays back the breathing of the User, but amplified in volume.

The name comes from the band  Ok Go.

Hamon
Hamon, or 'The Ripple' is a strange energy that some humans are able to manifest, stemming from the power the Sun itself. Because of this link, Hamon is an incredibly potent weapon against Vampires and their spawn. Liquids and living material conduct Hamon especially well, and it can run similarly to an electrical current down a thread. Of these, oil is the best conductor. Hamon energy is produced through a special breathing technique, which can be taught to anyone, but only the adept will be able to truly master it. Yuzuki's personal ability stems from her asthma, which damaged her breathing permanently when she was very young, coincidentally causing her to almost constantly be breathing 'Hamon-style'.