Take that, you ostrich skeleton! mystery solved!

This is my go-to image for various jokes / scenarios. We're even considering calling a new band, "Take That, You Ostrich Skeleton!" 

We had no idea where it came from and had a long Facebook thread involving a number of people helping to solve the mystery, and we did it! 

Whiz Comics 44 is public domain, so here is the story with that panel!