I saw this and thought, "Holy shit! Is that fan art of Citizens of Space?!"
I never used The Pizza Bot. I used Decorator on the final boss though and didn't get all the forms added to my collection. She hits like a truck. Then again, I would have been surprised if she didn't.
Excellent work, by the way. You really captured the look of joy on his unchanging face. His design also looks like something I'd see on TJ&E, so I'm being favorably biased about my score.