Jennifer "Jenny" Piccalo appeared in Seasons 8-10 of the show Happy Days. The part of Jenny was played on the series by Cathy Silvers.
About Jenny[]
Joanie's boy-crazy best friend, Jenny was often mentioned in early episodes of Happy Days, but did not appear in person until Season 8; first a recurring character, Jenny would become a main character in Season 9 and remain until Season 10. She would return as a guest star in the series finale.
Jenny has various sisters who are also boy-crazy, with the oldest named Olivia. They are only mentioned in the Season 5 episode "Fonzie, Rock Entrepreneur: Part 2" (episode #9), and have never appeared on-screen.
Jenny's mother was also only mentioned in the Season 5 episode "Marion's Misgivings" (episode #17).
Jenny's father, Roscoe Piccalo appeared in one episode, the Season 9 episode "Just a Piccalo" (episode #8), as he was played by Cathy Silvers' real-life father, comedian/actor Phil Silvers.