CLAMP is a group of shoujo manga artists who work together to make their outstanding mangas. At one point, CLAMP consisted of eleven members; Akiyama Tamayo, Kazue Nakamori, Leeza Sei, Mick Nekoi, Mokona Apapa, Nanase Ohkawa, Satsuki Igarashi, Sei Nanao, Shinya Ohmi, Soushi Hisagi, and O-Kyon, but several members left until there were only seven, then four;

Nanase Ohkawa
Birth date: May 2
Zodiac: Tuarus
Blood Type: A
Script writer, producer, director, scene artist

Satsuki Igarashi
Birth date: February 8
Zodiac: Aquarius
Blood Type: A
Production coordinator and illustrating assistant

Mick Nekoi
Birth date: January 21
Zodiac: Aquarius
Blood Type: O
Art director and assistant

Mokona Apapa
Birth date: June 16
Zodiac: Gemini
Blood type: A
Main artist, draws backgrounds, characters, zip-tone, and page layout

All four currently live in the Kansai area of Japan, also known as the Osaka, Kyoto and Shiga Prefecture. Other mangas that CLAMP created include Magic Knight Rayearth, Wish, Angelic Layer, Miyuki-Chan in Wonderland, Tokyo Babylon, Clamp Campus Detectives, and RG Veda, among others.

Taken with permission (I asked her) from my sister's site, Pink Cherry Blossoms located at http://chibichan.users4.50megs.com