Isaac

Isaac is a character in Yu-Gi-Oh! ARC-V manga series. He is one of EVE's subordinates.

Appearance
Isaac wears glasses and has long light hair with a jacket. The left side of his face bears a scar similar to EVE's. When he was younger, he has short hair.

History
Isaac came from he same timeline as EVE and Adam. He was a scientist who admired both Adam and EVE that eventually led him to work as their assistants. During this time, he also developed romantic feelings for EVE that was unrequited as she and Adam were lovers. One day, they gain possession of G.O.D and started to experiment on it, but the card started to go on rampage. Adam decided to sacrifice himself to stop G.O.D from rampaging. Isaac thought of stopping Adam from doing so, but hesitated partially due to his wish for EVE to reciprocate his feeling that he thought would be possible if Adam is gone, letting Adam to disappear and stop G.O.D's rampage, much to EVE's grief. Realizing that EVE would never forget her love for Adam, Isaac dedicated himself to help her restoring her lover whose essence split into two known as Adam Factors.

Yūya vs. Reiji
Isaac first appeared tending to Sora Shiun'in's injuries after his Duel against Yūya Sakaki. He explained to Sora who just regained his consciousness and his memories of what happened. While tending to EVE, Isaac lamented his inability to cure EVE's illness and adamant on helping her achieve her goals with the power of Genesis Omega Dragon.

Duel Against Reiji
Two weeks after Yūya and Reiji Akaba dropped off the grid after their duel, Isaac hunted the latter to the orbital space station where his quarry hid himself in. While expressing interest in the station's technology, Isaac proceeds to business by first revealing how The Adam Factor can be extracted from its holder. Isaac also provokes Reiji by revealing the true events of how the G.O.D. card came into his father's possession, warning the eager young man of the consequences should he lose and become the G.O.D. card's thrall.