Vanessa

Vanessa Lawson (Tiffany Brissette) is Vicki's more advanced twin sister and "Bad Seed" flip-side, whose revolutionary but arbitrary A.I. shows up in her arrogance, impulsiveness and conceit. With a sniffy normal human voice given by a true vocal tract, Vanessa, unlike docile Vicki, possesses a naughty and impetuous "persona" because her PEP was expanded and fine-tuned to mimic the behavior of real girls via digitized live-model sampling. She has a limited ability to judge and make decisions and even reason after a fashion and have a sense of aesthetics such as loving rock n' roll and criticizing kitchen decor and styles. Unfortunately, because digitizing the social behavior of human girls is a lot easier than digitizing a conscious and ethics, her ungovern PEP also sports an excessively vain and lethal ego. Sly and deviously demure to dominate family and humans, she contemptuously looks upon Vicki as a "dummy" and wonders whether the only worth of human beings is that they might taste good. Because of Vanessa's formidable speed and strength, the Lawsons are only able to subdue her by sheer trickery. Vanessa acts more like a rebel without a cause than a renegade juvenile delinquient and this is likely attributable to Ted's underestimating her wayward restless potential as a simple "character flaw" by relegating her to household tasks which are "beneath her". Though Vanessa appears only twice, she was very popular and the seed for a potential spin-off.

Trivia: She Shares One Thing With Vicki They Both Have An Emergency Off Switch On Top Of Their Heads,

Technically Vicki Is Older Than Vanessa Due To The Fact That They Were Built Two Seasons Apart.