Transcript:
Patty: How would you like to see a NEW kind of sandbox?
Charlie Brown: Charlie Brown is always interested in progress… Show me to it!
Charlie Brown: What’s so new about this?
Patty: Get in, and find out…
Charlie Brown: ?
Patty: It’s Quicksandbox!
Original comic:



I don’t think so. This seems more in the vein of “Who’s got two thumbs and X? <points thumbs at self> This guy!”
TIL the term for referring to yourself like that:
https://en.wikipedia.org/wiki/Illeism