I just noticed in the top picture, Robot and WALL-E are hugging differently from the other drawing. I also like the bottom picture. He looks cool strumming a guitar. He wants to rock. Not play the piano like his Mom unit told him to.
The top picture was the concept sketch that I based the other one on later. :3 And I was jamming to music that day and the guitar one just happened. XD
Looking at this a second time, I really like how the bottom one looks, too. It really captures the style of the show.
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I think that'd be cool. I always did love that one scene where he's rocking out. If you wanna do more with it, then by all means, go for it.
what ever did happen to Robot Jones?