Tortoise Undead

Tortoise Undead: A Undead who aided the Serpent Undead as her bodyguard, attacking Blade and Garren to keep them from meddling her affairs before Hajime Aikawa arrives with her seal card to give Garren his Jack Form.

Superhero Taisen
Tortoise Undead revived and part of Dai-Shocker army. Later, Rider Hunter Silva of Dai-Zangyack and Doktor G of Dai-Shocker overthrew their respective leaders and joined forces to destroy the Kamen Riders and Super Sentai. The two evil organizations united and faced off against the combined forces of the Sentai and Riders.

Superhero TaisenZ
Tortoise Undead revived once again and part of Space Shocker.