Ascension Space Murder Mystery Game Concepts

So I've started coming up with ideas for my senior project game and here are concept images for some of the characters. The game will be a murder mystery on a space station in the Ascension universe.

Here's Mlurp the Janitor. He's a witness to the crime but has been threatened into silence.

A possible romantic interest. Oda's name is a reference to DS9's Odo.

One of the citys gang leaders

The information dealer...