Most consumers of bisexual pornography do not identify as gay. In gay pornographic movies, actors who identify themselves as heterosexual, but who nevertheless perform explicit sexual acts with other males on film do not face the same stigmas as the mainstream acting counterparts and indeed can rise quickly to being featured actors. Animated films of this nature paved the way for several groundbreaking animated television series, such as The Simpsons , The Ren & Stimpy Show , Beavis and Butt-head , Rocko Modern Life , Space Ghost Coast to Coast , Duckman , King of the Hill , South Park , Family Guy and Futurama . As observation is encouraged, voyeurism and exhibitionism are closely associated with dogging. Softcore pornography generally contains nudity or partial nudity in sexually suggestive situations, but without explicit sexual activity, sexual penetration or extreme fetishism, while hardcore pornography may contain graphic sexual activity and visible penetration, including unsimulated sex scenes. The fetish centers around this fantasy portrayal. The other is in the gay videos top of the box to expose their face. A threesome is a form of group sex, but involving only three people. This is why video stores might consider stocking transgendered subject matter in the straight section, as some straight men will have passive or active sex with another man as long as their partner appears to look like a woman to them, to some minor or major degree. Cum swapping pornography involves performers trading semen between their mouths. Jail/Prison/Police pornography involves people in police custody or inmates in jails or prisons in various sexual situations, such as strip searches or body cavity searches. In male homosexual pornography, Treasure Island Media is a notable representative, its title Breed Me having been noted as one of the earliest and most notorious in the genre. Hamedori-type videos were produced from the beginnings of Japanese AV in the early 1980s. The interaction between tops and bottoms—where physical or mental control of the bottom is surrendered to the top—is sometimes known as power exchange, whether in the context of an encounter or a relationship.