King is the human form of the Category King of Spades Undead, the Caucasus Undead, who poses as a teenage boy with an annoying personality.
Kamen Rider BladeHe loves to cause trouble and mess with everybody. He also steals Hajime's Rouze Cards to push him back into Joker form, giving the deck to Mutsuki in order to enjoy the "mess" to result. He uses telekinesis and can summon his shield by clapping his hands. Though he managed to take his deck from him, Blade managed to beat him and sealed Caucasus with the Blay Rouzer.
Kamen Rider Decade
Caucasus Undead appeared in Rider War Rider.
Video Game appearances
Kamen Rider Blade (video game)
The Caucasus Beetle Undead is one of many Undead who appear in the Kamen Rider Blade video game.
- Despite being referred as the Caucasus Undead, his design is more similar to a rhinoceros beetle than an atlas beetle.
- It similar to Bossroach.