Yudetamago is the pen name of the Japanese mangaka duo consisting of story writer Takashi Shimada and artist Yoshinori Nakai. They are best known for the popular manga Kinnikuman, Ultimate Muscle (Kinnikuman Nisei), and Tatakae!! Ramenman.

Shimada Takashi (嶋田 隆司)
Story Writer
Hometown: Nishiyodogawa-ku, Osaka
Birthdate: October 28, 1960
Recognizable feature: droopy eyes

A graduate of Hatushiba High School (Higashi, Sakai, Osaka), up until 1984 he went by the name Takashi Kaneyama (金山 隆司, Kaneyama Takashi). He frequently attends movie premieres, events, and interviews by himself and has the more exposure of the duo. These appearances have led to his being jokingly referred to as "The Non-Working Half of Yude". He claims to have been a naughty child in his younger days and that his favorite show was a TV Drama called Playgirl. He loved to read and draw manga, and before he met Nakai he would often draw Kinnikuman on notebook paper.

Nakai Yoshinori (中井 義則)
Artist
Hometown: Nishinari-ku, Osaka
Birthdate: January 11, 1961
Recognizable feature: glasses

A graduate of Hatushiba High School, up until 1984 he went by the name Yoshinori Iwamoto (岩元 義則, Iwamoto Yoshinori). He has stated that he likes to stay home by himself and that his favorite actress is Mariko Kawana. Before he started school, he was an avid baseball player and fan and dreamed of one day becoming a Pro Baseball player. He liked to draw but has said that he didn't really read manga until he met Shimada.

(Source: Wikipedia)