The Steel Clan was defeated, however, and Xanatos was convicted for receiving stolen property. Xanatos initially posed as the Gargoyles' friend, convincing them to 'acquire' technology from his rival Cyberbiotics for him and ultimately attempting to destroy the gargoyles once their replacements, the Steel Clan, came online. With the castle 'above the clouds,' he successfully released the survivors of the Wyvern Clan from their frozen sleep. Xanatos learned of Castle Wyvern from Demona and purchased the castle, transporting it brick by brick and reconstructing it atop his New York skyscraper, the Eyrie Building.

Despite his father's belief that Xanatos did not deserve the gift that had launched his career, Xanatos continued to claim that he would one day prove himself a self-made man. Xanatos's holdings include Xanatos Enterprises, Gen-U-Tech, the Scarab Corporation, and Pack Media Studios. Due to his father's belief that his fortune was unearned, their relationship became strained. He sold the coin, invested the money into various stocks, and founded Xanatos Enterprises. At a young age, he received a letter containing a coin from the 10th century.

David was born in Maine, to Petros Xanatos, a fisherman.

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