Shingo Katori (香取 慎吾 Katori Shingo?, born 31 January 1977) is the youngest member of SMAP, a popular idol group from the agency Johnny & Associates, and he is from Yokohama, Japan. Shingo Katori has acted in several dramas such as Three Peace, and has appeared as a voice actor in such anime series as Akazukin Chacha, in which he voiced the part of the werewolf boy Riiya.
Katori was once known for cross-dressing as the character "Shingo Mama" (慎吾ママ) on the variety show Sata Suma; he even released a top-selling CD single "Shingo Mama no Oha Rock" (慎吾ママのおはロック), done in character. Shingo Mama's trademark phrase is "Ohhā!" (morning!). From 2000-2001, Shingo Mama promoted the use of ohha as part of a Ministry of Education campaign to encourage family communication. 
He went on to host his own English-oriented show "SmaSTATION!!" that featured mostly journalists discussing world news, as well as translation and vocabulary quizzes, where Shingo faced off against other celebrities in a battle of English comprehension. He also released a series of books under the title English PeraPera (fluently). He was also quite critical of George W. Bush.
Recently, he has gained internet popularity as the main antagonist in a Super Sentai parody.
In 2005/2006, he starred in the Japanese remake of Saiyūki as Son Gokū. He appeared as a bellboy in the popular 2006 comedy film The Uchōten Hotel. In 2009 he leads in a live adaptation of the police manga Kochira Katsushika-ku Kameari Koen-mae Hashutsujo.
Shingo Katori can also be seen conversing with Quentin Tarantino in the beginning of Sukiyaki Western Django.
- official Shingo Mama site (Japanese)