Lynn Onkman (Susan Sarandon) is Frank's girlfriend and former high school teacher. Lynn seduced Frank when he was 14 years old and they became lovers. Lynn was eventually arrested and sent to jail. Lynn was released years later and reunited with Frank on an episode of Angie's reality show Queen of Jordan. Lynn and Frank broke up after an argument in which Lynn said that Frank still hadn't grown up, however, Lynn and Frank made up and continued their relationship. Frank's mother Sylvia heavily disapproved of Frank and Lynn's relationship, causing them to break up again. Liz was able to convince Sylvia to approve of Frank and Lynn's relationship when Sylvia sees Lynn's passion towards Frank, and so the two of them got back together. Despite Liz's help with Lynn and Frank's relationship, Lynn hates Liz, and has said that she believes Liz is a "terrible person". Lynn is also part of a Mexican prison gang named Los Tiburones.
