Mark Richard Hamill (born September 25, 1951) is an American actor, voice actor, producer, director, and writer. He is best known for his starring role as Luke Skywalker in the original Star Wars trilogy, and his voice role as the Joker in Batman: The Animated Series, its spin-offs, and the acclaimed video games Batman: Arkham Asylum and Batman: Arkham City. Hamill has also lent his voice to various other villains and anti-heroes in various other animated productions.
Parallels occur when two planets are at the same declination, both in the north or south. They are considered to have the same effect as conjunctions. Contraparallels are when one star in the north and another in the south are at the same declination. They are considered to have the same effect as oppositions.