Isaka

Isaka (伊坂 Isaka?) is the human form of the Peacock Undead (ピーコックアンデッド Pīkokku Andeddo?) and the first Jack (of Diamonds) Undead that appears and creator of the Leangle Buckle.

Overview
He deceives Garren into working for him, until he killed Sayako for meddling in his affairs. His power in human form is telekinesis, as well as summoning fireballs and mass hypnosis he used to recruit humans to his aid. Sealed by Garren's Burning Divide. In a Missing Ace preview, he chases Natsumi Miwa and Shin Magaki before an offscreen defeat at the hands of Glaive