Could be.
My father-in-law hipped me to this, which appears on a piece of Egyptian papyrus, while we were talking about Dig, the kid’s archeological magazine that I do work for.
Sure, you can talk about those ol’ timey cave drawings being the first cartoons but those are just simplified drawings. The above looks like it should be in the back of the New Yorker as part of their “create a caption” contest.