<P> Jessie is the class president . In a close election, she initially lost to Zack . However, Zack used underhanded techniques to win the election in order to get a free trip to Washington, D.C., but upon realizing that being class president would be a much better fit for his friend Jessie, Zack stepped down from office, naming Jessie the president . Jessie remains president for the remainder of her time at Bayside . </P> <P> From sophomore year until the end of the series, Jessie dates athlete A.C. Slater in an "opposites attract" relationship, which causes friction between the both of them . Slater's pet name for Jessie is "Mama ." Jessie and Slater's relationship is put to the test several times over the course of the series . Jessie also has a brief romantic encounter with Zack when the two are forced to endure a kissing scene in a school play . Additionally, she has a crush on one - time character Graham (played by David Kreigel), with whom she spends cut day . (This last encounter ultimately leads to her and Slater's break up). </P> <P> Most notable is Jessie's struggle with addiction to over-the - counter caffeine pills, in the episode entitled "Jessie's Song ." Pressure from school and social obligations, and her desire to be accepted into Stanford University, drive Jessie to take caffeine pills in order to stay awake . Eventually she gets hooked on the pills and has a breakdown as Zack comes to her rescue . </P> <P> Another ongoing issue is Jessie's height . She often considers herself too tall, and has therefore developed a bit of an insecurity complex, especially when it comes to shorter boys, and sometimes superficially judges men based on their height . Additionally, she is known as Jessie "Legs" Spano to some . Jessie would later stop judging men based on their height when she begins dating Slater . </P>

Who played the twins on saved by the bell