Created by comic book artists Kevin Eastman and Peter Laird, Teenage Mutant Ninja Turtles or TMNT for short, focuses on four anthropomorphic mutant turtles that live in the sewers and fight various evil people or groups. Trained by their mutated rat master Splinter; the four turtles, Leonardo, Donatello, Raphael, and Michelangelo display various ninja skills to protect New York City from evil. The TMNT media franchise has expanded to other media formats beyond the comics, popularizing with various animated series throughout the years.

Masters of the Universe is a popular media franchise created by Mattel that focuses on the various conflicts between He-Man and the evil Skeletor. The franchise takes place on the fictional planet Eternia where a variety of colorful characters appear throughout the ongoing battle between the two sides. Masters of the Universe gained popularity through an extremely successful series of toy lines, which continue to be sought be collectors to this day, along with various animated TV series and films which exapnded the franchises reach to a larger audience.