Basic Trope: A character is introduced whose significance to the plot doesn't become apparent until later. * Straight: * Our hero meets Beth, who makes small talk about taking her small-jet pilot certification. When the villain escapes at the airfield in his jet, our hero flags her down on the runway and they follow the villain. * Joe shows up in a few episodes as the hero's friend's roommate. Turns out he's been working for the Big Bad all along. * Exaggerated: * Beth is an pilot-certified, chemistry major who counterfeits money and engages in con games in her spare time. She owns an antique sword and has the C.E.O. of Heroic Industries as an uncle. Everything in the story is solved by her many coincidental talents and possessions * Chekhov's Army. * Joe, the h