Asian Girlfriend is a minor character portrayed by Brandon Rodgers in My Japanese Girlfriend and A Day at the Park.
They are demanding, demeaning, and constantly nagging their boyfriend, American Boyfriend. The two fight constantly, often physically assaulting each other, usually including them being strangled. It is revealed they have a shrimp allergy, which causes them to throw up. they also claim they cannot read English, and speak in a stereotypical Japanese-English accent (often stylized as Engrish).
In A Day at the Park, they behave typically to her boyfriend in front of his boss. Jürgen mistakes them for a man and apologizes to the couple for making "so many jokes". Later, they hustles Vishalam Rangan for hush money, commenting on her fake identity. they walk away from Rangan, still talking in a Japanese accent before their voice deepens and they call Rangan a sucker.
It is possible for Asian Girlfriend to be a persona that they inhabit. Their motives have otherwise not been revealed, but money could be involved.