Eagle Undead

The Eagle Undead (voiced by Yasufumi Hayashi and Tōru Ōmura) is actually Takahara who's the human form of the Category Jack of Spades Undead.

Takahara made a pact with Chalice to fight as the two last Undead standing 10,000 years ago. In the present day, he misidentifies Hajime as the Mantis Undead as he saw Hajime transform into Chalice. He took the Change Mantis card from him with the intent on avenging his comrade. Sealed by Blade's Lightning Sonic.

Seen when Chinomanako summoned Eagle Undead with Kaijin Ride in the Kamen Rider Decade/Shinkenger crossover. He is destroyed by Shinken Blue, Shinken Yellow, and Kamen Rider Kuuga.

Trivia

 * TBA