Teamed up to make Liquid, Solid, and Gas characters! They're treasure hunters!

I don't have a name for her just yet, but her entire body of a liquid is suspended in.. another liquid, inside the mech. Outside of the body, she's pretty useless. Personality wise, she's loopy and overzealous. Her eyes change based on her emotions, + v + for positive, ! o ! surprised, = _ = ... and so on haha. All symbols.