Profile Overview

Tynleigh Ache

Osnullus Cisgender Female

Character Information

Rank & Address

Lieutenant Commander Tynleigh Ache


Chief Security Officer
USS Constellation


As the chief security officer of the USS Constellation, Lieutenant Commander Tynleigh Ache sees her role as being essential to the community of a starship, and yet separate.  As far as Ache is concerned, her responsibility to keep the crew safe sometimes requires the ends justifying her means.  From her long career as a security officer, she’s one of those rare officers who believes in her heart that Starfleet is a military in sheep’s clothing.  As much as she sees herself as different from her scientist colleagues, Ache’s approach to security has always been fastidious and evidence-based as any researcher.  From her youth, she’s grown up with a secret fear… looking back on the Dominion War, she promised herself: never again.


Ache’s bulbous six-lobed head is oversized for her otherwise humanoid body and completely hairless.  Her face is arranged with six eyes, two of which are large and four are much smaller.  She has pronounced nostrils, but no nose, with four small tentacles flanking her nostrils.  Her mouths are in her fingers rather than on her face.  Her voice sounds like a chorus, different sounds produced by each mouth and her nostrils.


Excerpt from the personal log of Lieutenant Commander Tynleigh Ache, chief security officer of the USS Olympic:

The first time I met Captain Taes, I raised my phaser to her and threatened to detain her. I was a security officer aboard the USS Gheryzan and Taes had stolen a shuttle for the purpose of radical diplomacy. Protocol didn’t matter to her; shuttle safety didn’t matter to her. The mission was all she cared for. I can’t ever allow my crew to be so careless.

After a brief stint as Captain Taes’ acting executive officer aboard the USS Sarek, Taes welcomed Lieutenant Commander Ache aboard the USS Constellation as her chief security officer.

Service Record

Date Position Posting Rank
2396 - 2400 Chief Security Officer USS Gheryzan
Lieutenant Commander
2400 - 2401 Chief Security Officer & Second Officer USS Olympic
Lieutenant Commander
2401 - Present Chief Security Officer USS Constellation
Lieutenant Commander