Johnny Kitagawa
Yokoyama entered Johnny's on Christmas 1996 where he met fellow members Subaru Shibutani and Shingo Murakami. The reason he entered Johnny's is because his mother briefly saw his classmate on TV and said, "My kid is better looking." Rare among Johnny's talent, Yokoyama has been given a stage name. This has been said due to the difficult kanji of his real name, . It is believed that "You" has been chosen by Johnny Kitagawa as it is easy to say. Although he has a stage name, nobody actually refers to him as "You", not even Johnny who is famous for referring to other people as "You".