Young Animal (ヤングアニマル) is one of my favourite printed magazines in Japan. It's a semimonthly publication with about 288 black and white pulp pages of comics wrapped in about 20 slick pages of color photos of sexy gravure idols.
Young Animal was first issued in 1989 as Animal House but was renamed Young Animal in 1992. However, it may have begun as early as 1981 as a shōnen magazine entitled Gekkan Shōnen Jets, since manga serialized in Young Animal is later published in tankobon graphic novel form as part of the "Jets Comics" line, and since Shonen Jets was discontinued in the late 1980s (Wikipedia).
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