Apart from (apparently) being a character in an anime, Keyoke is a samurai-type guy in a book by Raymond Feist.
(note, the book came before the anime and the two are not related in any way)
by Ssonic December 21, 2004
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This be Keyoke, yo.
Keyoke, the greatest anime character ever to exist.
Damn, Keyoke's cool.
by Ichiga August 11, 2004