Source: Phantoms & Monsters Blog
Some mythical creatures have their origin in tradition and tales from the distant past. However, each culture is associated with a multitude of interesting and odd creatures, many of these beings are humanoids. One of these legendary humanoids is the Genderuwo.
Genderuwa (from the Java language: 'Genderuwo') is a Javanese myth about a type of the jinn or spirit that can manifest into human-like apes, big and stout with reddish black color, his body covered with thick hair. Genderuwa are most widely known in Java, Indonesia. Sundanese people call it "Gandaruwo" and the Javanese people generally call it "Gendruwo".
They are said to dwell in large trees that are shaded or damp corners of deserted buildings. According to myth, this creature resides in forest areas such as Teak Forest Nature Reserve Danalaya, Slogohimo district and in the White Weak, Purwosari, Girimulyo in Kulon Progo.
This entity is believed to communicate and make direct contact with humans. Various legends say that Genderuwo can change the appearance of its physical form to follow someone or to entice people. The Genderuwo creature is believed to be idle and dissolute, has the tendency to tease people, especially women and children. Genderuwo is sometimes happy slapping a women's rump, caressing her body while she slept, or even to switch women’s undergarments to others. Genderuwo occasionally appear in the form of furry little creatures that can grow in an instant. Genderuwo also like to throw stones at people’s houses at night. The Genderuwo is known to tempt lonely wifes when husbands leave or those that become widowed. Sometimes, Genderuwo have sexual relationships with these women in order impregnate them and produce more Genderuwo.
According to legend, The Genderuwo has a very strong ability to attract women. Genderuwo's sexual game is said to be unusual and that women feel often satisfied and extend extraordinary favors. Genderuwos have very strong libidos and possess seduction skills far superior to men.
There is a legend that states Genderuwo can enter and remain happy in the womb of a woman if an intimate relationship forms between the woman and the Genderuwo and that the desire never wains until one dies...which is usually the woman. At that point, the Genderuwo moves on to his next sexual conquest. There is little a woman can do to deter the advances of this creature.
The Genderuwa myth has been widely used in many modern entertainment media forms, mainly in horror films from Indonesia and Malaysia where Javanese communities still practice the beliefs and culture of Java. An Indonesian man who seems to possess an unusual knack for seducing women of all ages is seen as a Genderuwa and considered to be touched by evil and capable of committing horrible acts.