The first one I gave a touch of coloring to soften the graphic impression.
I also tried to clean up the design a bit.
The second one is a stock drawing, inspired by a previous pin badge.
If I draw a lot of pictures on my days off and keep them in stock, I can post two pictures on weekdays.
The only problem is... when you're in the middle of inventing something, there's no continuity between the two pictures.
mmm…