|Season:||Samurai Sentai Shinkenger|
Ootsumuji (オオツムジ, Ōtsumuji?, 2): Ootsumuji is armed with the Senpū Ōgamatō (旋風大鎌刀?, Whirlwind Scythe Sword) and uses his hair to create gust of wind to hit his opponents in his Shinkūtsumuji Muchi (真空つむじ鞭?, Vacuum-Whirl Whip) attack. Send to terrorize humans by causing massive damage and gathering all humans in the area, Ootsumuji is the first Ayakashi to be slain by Shinken-Oh. His appearance and abilities made him the origin of the Kamaitachi (窮奇?).