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
Chimera (The X-Files) a mirror image of the woman being attacked by the monster, but it didn't really sell." Eventually, the crew "glued candy glass onto a piece of plywood, angled the wood, and set the camera on that angle and so [they could film] the attack through the shattered fragments." "Chimera" first aired in the United States on April 2, 2000. This episode earned a Nielsen rating of 7.5, with an 11 share, meaning that roughly 7.5 percent of all television-equipped households, and 11 percent of households watching television, were tuned in to the episode. It was viewed by 12.89 million viewers.