Back when saving 75 cents was considered a barn-burner deal, this SeaWorld ad was featured in comic books, hence the appearance of Superman and his comrades. Adding characters beyond the world of Shamu was an interesting move – you can’t help but wonder if it was in response to the success of a certain mouse who lived not too far away.

FUN FACT: A group of four UCLA students originally wanted to open an underwater restaurant, but the plan evolved into a park with sea lions, dolphins, and two salt-water aquariums, which is now known as SeaWorld San Diego. (Source: USA Today)