« The name Clamp may sound odd and unfamiliar to Western ears, but this four-woman studio ranks among the most successful creators of manga, or graphic novels, in Japan and the United States. Over the last 17 years these women — Satsuki Igarashi, Apapa Mokona, Tsubaki Nekoi and Ageha Ohkawa — have produced 22 popular manga series, many of which have been adapted to animation, including “X,” “Chobits” and “Cardcaptor Sakura,” all available on DVD in the United States. »