'Oh... it's YOU' after Diranda

First of all, I'm not the artist! This disturbingly sexy anthropomorphic GLaDOS was created by Diranda:

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Here's the artwork I started with:

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On her original version of the image she asked if someone would add some dialog to it, so I used my unbelievably meager Photoshop knowledge to do so. That's an unseen Wheatley panicking off camera.

For what its worth, I obviously used their respective colors for their speech balloons which are translucent so as to not obscure the background. I used a san-serif, all capitals font for GLaDOS since she speaks with a forced auto-tuned smoothness, while the more formal and human-sounding Wheatley gets serifs and upper and lower-case letters.

It's not much as artistic contributions go, but I did put some thought into it.