http://en.wikipedia.org/wiki/List_of_Garo_characters#Kouga_Saezima.2FGaro_the_Golden_Knight
He is Garo.
But in a more broad sense, Garo was a late-night tokusatsu aimed at adults about one of the Makai Knights, guardians fighting demons in spiffy armor, that aired a few years ago. It has a generally darker tone than most shows in this area. Garo's had its own TV series, a direct to video side episode that makes no sense, two other direct to video episodes that take place after the series, a movie that came out last year, and now this.
yay!! More Garo!! Did the Red Requiem movie came out on DVD yet?