Kramer's high profile attorney who's success is stunted by Kramer's mishaps.  Jackie has represented Kramer in the Java World case, the Mishke bra case, the tobacco company case & the Good Samaritan Case.  
His doctor is Dr. Bison, his secretary is Suzie, he's practiced law for approximately 25 years, he's also the attorney for Kramer's girlfriend Connie, he eventually puts a restraining order against Kramer, he doesnt like cheese and he dated Sidra Holland.