Suke is a minor character from Ninja Gaiden.
Suke's corpse can be found on a walkway about Muramasa's Shop, in the Clock Tower Plaza. Reading Suke's Diary reveals that he encountered Rachel, admiring her beauty and power to kill fiends. Four days later, he suffers a fatal injury from the MSAT and slowly pasted away, lamenting that he couldn't find the whereabouts of the Dark Dragon Blade. His final entry in the diary wishing to see Rachel one last time before dying.
According to Taro's Diary, Suke is a very powerful ninja.