Syonide, an experienced assassin, was hired by a crime cartel to kill Phantom Lady while she protected a defecting Russian scientist in Casablanca. However, despite having help from Merlyn, her attempt was foiled with the appearance of the The Flash.[1]

She was also responsible, while working with Tobias Whale, for murdering Violet Harper, who would post-mortem become Halo. She later killed Halo's parents in frustration.[2]

  • Although this character was originally introduced during DC's Earth-One era of publication, their existence following the events of the 1985–86 limited series Crisis on Infinite Earths remains intact. However, some elements of the character's Pre-Crisis history may have been altered or removed for Post-Crisis New Earth continuity, and should be considered apocryphal.



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Outsiders Villain(s)
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This character, team or organization, is or was primarily an enemy of Outsiders. This template will categorize articles that include it into the "Outsiders Villains category."