b997eee8_CCG___What_s_That_Inside_Joke___In_joke
[Card] Janet Fields - Stewardess [Exp.] IS [Type] Ref [In-joke] 
Since a stewardess called Janet was already an inside joke about Janet Fielding playing Tegan Jovanka, the second name merely completes it.
Unauthorized Dr. Who CCG - What's That Inside Joke?
In-joke