Jonathan(Jon) or Josuke is the last secondary character is a vampire who resists the sun (the day) a best friend to jayday and agent. Power is shadow and glitch. he is a very resistant guy not like some vampire, he is a hacker who puts exe in files since it is his role, To transform into a bat, this teleport in places which is already to go, Darkness, Invincible a bit like a chameleon.
Blood Knight