First one that can come up with a cute, Portal related name can have him/her.
Markings on the front are same on the back.

Things you can't change:
The color scheme
The Black Aperture Logo/ Portal related-ness
It's a cat

Things you can change:
Order of colors
Gender
Number of stripes on tail (but they must remain alternating orange/blue)

After you get him/her, feel free to do whatever you want with her. But don't torture/kill him/her D: (Other than vore, if that's the kind of thing you like)

Once again, first one that comes up with a cute, Portal related name for him/her can have him/her!



EDIT:  frozenmoon now owns her. Her name is Aperture.