Dancing with Fire's definitions
Shinobu Sensui also known as Black Angel, was the main antagonist of the Chapter Black Saga in the anime Yu Yu Hakusho, as well as a former Spirit Detective in his youth, having been recruited by Koenma for his prodigious talents and his unequaled sense of right and wrong. Unlike his predecessor Younger Toguro, he has intelligence and strength, whereas Toguro's knowledge was only useful for fighting. He is generally polite (sarcastic politeness in his Minoru state), kind and honorable as he respects Yusuke's friend's wishes to avenge his supposed death. Shinobu also has guilt over killing others as he looks sullen after killing Yusuke and is irritated when he is forced to kill demons once again. He does regret the path he took as he blindly slew demons in the name of humanity, to which he discovered were just as cruel if not more so.
Shinobu Sensui also has multiple personalities. He developed six other personalities to carry his various burdens. He is also a master of Resshuken and he also knows how to use sacred energy which is a special type of energy that is said to be the purest and most-powerful kind, which Koenma calls the highest echelon of power. He also said that achieving the use of this type of power takes at least forty years of discipline and grueling training. But Sensui managed to cheat by dividing the forty year-training requirement amongst his other personalities, effectively managing to achieve this pinnacle in just six years. He then added that an extra requirement was that people had to be receptive to this power and possess a desire to correct the world around them, operating on a higher plane and transcending the physical realm, all of which were qualities that even Genkai did not have.
One of the most badass characters from Yu Yu Hakusho imo.
One of the most badass characters from Yu Yu Hakusho imo.
by Dancing with Fire June 21, 2011

The pentagonal building serving as the headquarters of the US Department of Defense, near Washington, DC. The Pentagon's unique shape makes it a highly efficient office building. Although the Pentagon has 3,705,793 square feet (1,129,526 meters) of office space, it is possible to reach most points in the building within 10 minutes, a remarkable architectural achievement. In a building which coordinates the armed forces of the United States along with organizations responsible for intelligence and security, workers often need to be able to access each other quickly.
The idea of the Pentagon was conceived in 1941, when Brigadier General Brehon Sommervell was trying to solve the problem of limited space for the Department of Defense, a serious issue in the Second World War. It was agreed that a new building was needed, and a groundbreaking ceremony took place on 11 September, 1941. It took just two years to complete the building on former marshlands along the outskirts of Washington, and the Pentagon was quickly filled with communications equipment and staff to coordinate the Department of Defense.
by Dancing with Fire September 6, 2012

An Iranian volunteer militia created by the order of the Ayatollah Khomeini in November 1979, and implemented beginning in 1980.
The Basij are subordinate to, the Iranian Revolutionary Guard Corps (Pasdaran) and are under the control of the Supreme Leader of Iran, currently Ayatollah Khamenei.
by Dancing with Fire April 22, 2013

The Viet Cong had their first victory of the Vietnam War at the Battle of Ap Bac in January 1963, which was followed by the overthrow of Ngo Dinh Diem and an increasingly less stable South Vietnam.
by Dancing with Fire September 7, 2012

A very sexy porn star. She has appeared in over 100 films and has worked under many stage names as well.
by Dancing with Fire October 31, 2011

by Dancing with Fire December 28, 2010
