Mr. and Mrs. Wong
Penny Proud (unofficial), On Lee (arranged fiancé)
Kwok's parents come from an area in China where tradition had them arranging their children's marriages long before either were born. Raised in America, this caused much strife to Kwok, especially as he and Penny became closer during rehearsal for the school play, despite being engaged to another woman. Eventually his arranged marriage was broken off.
He is Asian with spiky black hair and a gap between his front teeth. Typically he dresses in cool style or in his work uniform.
- Kwok is voiced by Dante Basco , who also voices Jake Long from American Dragon: Jake Long, and Prince Zuko from Avatar: the Last Airbender.
- On Basco's IMDB page, Kwok's name is spelled: "Quoc"