Hentai
To make them more culturally relevant for the countries they are released in.
Lots of animes are dubbed, but if you want some animes, here they are:NarutoBleach (most of Bleach)InuyashaShuffle!One PieceFullmetal AlchemistRomeo X JulietAvatar: The last airbenderDN AngelPeach girlAND many more..!
i can only think of one off the top of my head - Hand Maid May
Depends which age your talking about: If you're talking from 18-30, you may search for Seinen (for men) or Josei (for women, which are pretty rare). I don't know about naime for more than that.
The Ghost in the Shell films and series , Planetes , Ergo Proxy , Texhnolyze , Gankutsuou : The Count of Monte Cristo , Kino's Journey , et.al.
Most animes in Japan can be found in American. However, some may not be dubbed in english. Luckily, people can translate and put subtitles on the animes to help others enjoy good animes. =]
Inuyasha (other than Inuyasha?)
Adult Swim is a section of more mature cartoons and animes that are shown on cartoon network late at night.
Ginga Densetsu Weed
Bleach (the most) and Naruto Shippuden (some).
There are many different animes with yanderes characters. Some of the famous ones include Hikurishi, Elfen Lied, and Higurashi no Nuko. You can try these out and see if they captivate you.
The following list contains good steampunk animes Simoun, Howl's Moving Castle, Steamboy and Samurai 7.