Food:

Kimchi (South Korea)

Sriracha (Thailand)

Ramen (Japan)

Pho (Vietnam)

Media (overwhelmingly Japanese anime):

Fist of the North Star

Samurai X/Rurouni Kenshin

Sailor Moon

Dragon Ball Z

Pokemon

Enter the Dragon (Chinese)

Jackie Chan Adventures (Chinese American)

Music:

Justin Nozuka (Japanese Canadian singer/songwriter)

Mike Shinoda (Japanese American rapper; via Linkin Park)

Utada Hikaru (Japanese singer who went to Columbia University post-stardom)