She makes Howard buy her things, which eventually leads his mother to threaten to cut him off of the inheritance if he continues dating her.
Her name is Abby, and he meets her at a University Mixer that he attends with Sheldon.
One of the girls he dates is Nell, a school teacher who is impressed by planetarium presentation he gives.
Penny is the center of the show, who teaches the nerds about social life, as they teach her about their world.
Several women listed here aren't either actresses or singers.
Beverly Hofstadter Christine Baranski plays Dr.