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Lindsey is known to be a common youth-hater. Lindsey, outraged at paying high damages for a particular riot that the youth have caused, formed an anti-youth group named SSCCATAGAPP (Singles, Seniors, Childless Couples And Teens And Gays Against Parasitic Parents), and lobbied to deprive Springfield of all child-friendly things. Her campaign nearly succeeded, but was thwarted at the last moment when Bart, Lisa, and the other kids in Springfield hugged all the adults, infecting them with "kid germs". The adults collapsed with sickness and weren't able to vote, causing the campaign to fail.
Lindsay is an alcoholic (she says so matter-of-factly to Homer when she appears in Moe’s Tavern). It's revealed she's the head of the Alcoholics Anonymous branch in Springfield, and she says "So we all know why we're here - to be sober .. and to network!" 
Lindsey has popped up in several capacities, seemingly working at a different job every time she appears. Job titles have included the aforementioned network executive, as well as marketing researcher, financial planner (making a point that she wasn’t a financial consultant), public relations consultant, venture capitalist, advertising executive, cell phone company exec. and executive with the Child Development Group. After she introduces herself (again) to Homer and Marge, Marge says, “We’ve met you many times, Ms. Naegle; why do you keep changing jobs?” To which Lindsey flatly replies, “I’m a sexual predator”.
 Love life
Naegle once dated Ned Flanders, but the date was interrupted by Naegle receiving a fax (from a fax machine strapped to her leg) which indicated she had been indicted. She is an enthusiastic practitioner of the childfree lifestyle, and at one point spearheads a movement to make Springfield less child-friendly. Once romantically linked with Judge Roy Snyder, she is a graduate from the Wharton Business School. She is a stereotypical upper management executive, and her ventures almost always promote the business buzzword “synergy”.
Lindsey's anti-child attitude was spoofed in a story in "Margical History Tour" where she plays Anne Boleyn. She marries Homer, who plays King Henry 8th, on the basis she can get pregnant with a son for him.
 Behind the Laughter
Lindsey makes her first appearance in “The Itchy & Scratchy & Poochie Show”. In this episode her character was simply referred to as “Female Network Executive”, and had brunette hair instead of her usual blond hair. She later returned in "Girly Edition". In “They Saved Lisa’s Brain”, the character was introduced as Lindsey Naegle, a member of the Springfield Mensa Society and head of Advanced Capital Ventures, specializing in synergy and books on how to cheat at bridge.