User blog comment:Smash The Echidna/Ask STE's Characters/@comment-4567194-20150804151409/@comment-1942179-20150805005239

"That's...not exactly the easiest question for me to answer. (Didn't I just dodge this question last month?) If it wasn't obvious, I'm very attached to my creations, and I've had a daily use for just about every one of them. Taking one out of the picture would have a big impact on me and my work."

"But, I suppose if I really had to choose, I would go with the Super Chao Modifier MK.II. That was my most underused invention, mostly because Kitty tended to stay out of situations that would actually call for it. Still, it's handy to have around in case of emergencies...and technically it's his anyway, so it's not exactly my choice to give away."