TV-Series
Description
Seth, a time traveler from 2126, began as an assistant to Rex’s parents, Dr. Ancient and Dr. Cretacia, on their mission to the Mesozoic era. He turned traitor, aiding Dr. Z in hijacking their timeship—a scheme foiled by the android Jonathan, whose intervention crashed the ship in the present day. Stranded in the modern era, Seth worked with Dr. Z to rebuild their base, Zeta Point, while covertly plotting to usurp leadership for his own ends.

Initially calm and reserved, Seth slowly unveiled a manipulative, obsessive streak. He experimented on dinosaurs, forcibly evolving them to survive the Cretaceous extinction, driven by a twisted belief in accelerating natural progression. His methods included engineering hybrid species like the Black T. rex, a modified Tyrannosaurus fossil unleashed to terrorize Sanjo City, and tampering with dinosaur cards to grant them multiple abilities. These ambitions culminated in betraying Dr. Z, seizing control of Zeta Point, and exiling the Alpha Gang.

Defeated by the D-Team and Alpha Gang, Seth was dragged into a time portal only to be rescued by the Spectral Space Pirates. Joining their crew, he designed Spectral Armor for dinosaurs and crafted powerful entities like Gigas, Armatus, and Maximus to aid their leader, Spectre. Yet his loyalty proved fleeting; he betrayed the Pirates to claim the Cosmos Stones, aiming to rewrite reality itself. In a final twist, he sacrificed himself to destroy the Dark Pterosaur, averting universal collapse.

Seth’s spiked blue hair, pale complexion, and triangular reddish tattoos beneath his eyes marked his appearance. His wardrobe shifted from a dark red-brown overcoat bearing the Alpha Gang emblem to a white-and-black cloak paired with a blue jacket after aligning with the Pirates. His Japanese name, Nopis—Spinosaurus spelled backward in katakana—and English name, referencing the Egyptian chaos deity, mirrored his cunning nature.

Defined by paradoxical integrity, Seth upheld promises even amid betrayal. He honored a pact to return Chomp’s dinosaur card after Max completed a perilous task, despite empowering his rivals. This duality—ruthless ambition clashing with warped honor—cemented his role as a recurring antagonist torn between self-interest and fleeting redemption.