MRS. KIM: This is Young Chui … He will take you to the prom.
Mrs Kim agreed that Lane could go to prom if she could approve the date. Lane thought that meant she had plenty of time to convince her mother that Dave would make a suitable escort for the prom. Instead, Mrs Kim blindsides her by suddenly producing a nice suitable Korean Seventh Day Adventist boy to take her.
Young Chui is a Korean boy’s name meaning “eternally firm”. The role of Young Chui is played by Samson Yi, who has had a few TV roles, and made his own comedy film.
The Annotated Gilmore Girls 