Hentai (変態 or へんたい^?)  listen (help·info) is a Japanese word that, in the West, is used when referring to sexually explicit or pornographic comics and animation, particularly those of Japanese origin such as anime, manga, and eroge. The word hentai is a kanji compound of 変 (hen; "change", "weird", or "strange") and 態 (tai; "attitude" or "appearance"). The term is used as a shortened form of the phrase 変態性欲 (hentai seiyoku) meaning "sexual perversion". In Japanese slang, hentai is used as an insult meaning roughly "pervert" or "weirdo".

The English use of hentai is more similar to the way the Japanese use the slang term エッチ (H or ecchi), which refers to any sexually explicit content or behaviour. The Japanese seldom use the term hentai to refer to pornography in Japan. Instead, terms such as 18-kin (18禁^?, "18-prohibited"), meaning "prohibited to those not yet 18 years old", and seijin manga (成人漫画^?, "adult manga") are used. Less official terms also in use include ero anime (エロアニメ^?), ero manga (エロ漫画^?), and the English acronym AV (for "adult video").

Matthias Paul, better known by his stage name Paul van Dyk (born (1971-12-16)16 December 1971) is a German Grammy Award-winning Electronic Dance Music DJ, musician and record producer. One of the first true Superstar DJs, Paul van Dyk was one of the first artists to receive a Grammy nomination in the newly added category of Best Dance/Electronic album for his 2004 release Reflections. He was named the World's No. 1 DJ in both 2005 and 2006, something less than a handful of DJs have ever achieved. Paul van Dyk is the only DJ to hold a spot in the World's Top 10 DJs since 1998. He is also the first DJ to be named No. 1 by Mixmag in 2005. As of 2007, he has sold over 4.5 million albums worldwide.

A trance producer starting in the early 1990s, Paul quickly achieved popularity with his remix of "Love Stimulation" by Humate under the record label MFS in 1993, and with his hit single, "For an Angel", but in recent times he no longer likes to describe his music as trance, but rather simply as electronic dance music.