Khan, or Khaaaaaan, is one of the most memorable characters in Star Trek. Seven Star Cosplay has recently completed her take on the lead from Wrath of Khan, and she spared no detail. She even made the eel Khan used to uh, persuade his prisoners. She’s poured a lot of time into the costume; she spent weeks just working on the jacket between constructing the pattern and hand-stitching almost all the details. The necklace alone took two days.
She made the bug of a sculpt-and-bake polymer clay and you can get an idea of the scale in the above photo — she’s holding it in a basket. See a before and after look at the Ceti eel below.