Kayron was a Ferengi who served under DaiMon Tarr aboard his Marauder in 2364.

That year, he was aboard when Tarr participated in the theft of a T-9 energy converter from Gamma Tauri IV.

Following that incident Kayron was part of the Ferengi science team that beamed down to a planet in the Delphi Ardu system when their starship was immobilized above the planet by a powerful force field. He and the rest of his away team attacked Riker and his away team, but were stopped by the Portal, a guardian of the Tkon Empire. He and the other Ferengi attempted to blame the Federation away team for the violence. (TNG: "The Last Outpost")

Kayron was part of Commander Riker's memories while being infected on the surface of Surata IV and treated in sickbay. (TNG: "Shades of Gray")

Kayron was played by actor Tracey Walter.
His name comes from the script.
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