Character

Tarchannen Creature 1

light-averse evasive instinct-driven primal

Tarchannen Creature 1 marks the complete metamorphosis of a human into the planet's native lifeform on Tarchannen III. This entity retreats into shadows, repelled by ultraviolet light, and bolts from human contact. Driven by survival instincts alone, it embodies the mutagen's triumph over former humanity, erasing personal history and bonds with the outpost's lost crew.

3 appearances

Tarchannen III fauna

Tarchannen Creature …'s Journey

A timeline through the narrative

3 moments

S4E18 · Identity Crisis

Susanna lures Geordi from the aliens

Primal and reactive; no higher cognition, only instinctual fear and aggression.

Tarchannen Creature 1 is one of the two fully transformed aliens huddled with Geordi. When Data’s UV beacon reveals them, the creature rushes off into the darkness, startled by the …

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S4E18 · Identity Crisis

Geordi’s transformation exposed and escape

None—this creature operates on pure instinct, its actions driven by survival and the contagion’s programming.

Tarchannen Creature 2 (fully transformed) is revealed alongside Creature 1 by Data’s ultraviolet beacon. Like its counterpart, it reacts with primal instinct, bolting into the darkness when the team approaches. …

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S4E18 · Identity Crisis

Susanna coaxes Geordi from alien refuge

None—it operates on pure survival instinct, with no trace of its former self.

Tarchannen Creature 1 (formerly Mendez) huddles with Geordi and the other transformed being behind the rocks. When the UV beacon reveals them, it flees into the underbrush, its movements erratic …

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