A young fan attends the Hello Kitty Con, the first-ever Hello Kitty fan convention, in Los Angeles, the United States, Oct. 30, 2014. The convention was held to honor the character's 40th birthday. (Xinhua/Zhao Hanrong)

Fans attend the Hello Kitty Con, the first-ever Hello Kitty fan convention, in Los Angeles, the United States, Oct. 30, 2014. The convention was held to honor the character's 40th birthday. (Xinhua/Zhao Hanrong)

Fans wait to attend the Hello Kitty Con, the first-ever Hello Kitty fan convention, in Los Angeles, the United States, Oct. 30, 2014. The convention was held to honor the character's 40th birthday. (Xinhua/Zhao Hanrong)

Fans take a rest at the Hello Kitty Con, the first-ever Hello Kitty fan convention, in Los Angeles, the United States, Oct. 30, 2014. The convention was held to honor the character's 40th birthday. (Xinhua/Zhao Hanrong)

Fans take a selfie with a Hello Kitty model at the Hello Kitty Con, the first-ever Hello Kitty fan convention, in Los Angeles, the United States, Oct. 30, 2014. The convention was held to honor the character's 40th birthday. (Xinhua/Zhao Hanrong)