Greek mythology to dominance is frequently called the "Dorian invasion". The Lydian and later the Macedonian kings, as rulers of the same rank, also became Heracleidae. Other members of this earliest generation of heroes such as Perseus, Deucalion, Theseus and Bellerophon, have many traits in common with Heracles. Like him, their exploits are solitary, fantastic and border on fairy tale, as they slay monsters such as the Chimera and Medusa. Bellerophon's adventures are commonplace types, similar to the adventures of Heracles and Theseus. Sending a hero to his presumed death is also a recurrent theme of this early heroic tradition, used in
Monster and Frankenstein's monster are two examples of misunderstood creatures. Frankenstein's monster is frequently depicted in this manner, in films such as "Monster Squad" and "Van Helsing". The Hulk is an example of the "Monster as Hero" archetype. The theme of the "Friendly Monster" is pervasive in pop-culture. Chewbacca, Elmo, and Shrek are notable examples of friendly "monsters". The creatures of "Monsters, Inc." scare children in order to create energy for running machinery, while the furry monsters of "The Muppets" and "Sesame Street" live in harmony with animals and humans alike. Japanese culture also commonly features monsters which are benevolent or