Kitty

Kitty is a major character. She was a recurring character in Season 2, but became a regular character in Season 3, until the show ended in Season Six.

Trivia

 * Kitty was originally meant to date Ben in the shows Sixth Season. However, as Trevor became popular with the fans, the writers decided to have Kitty marry Trevor in order to have him stick around.
 * When Kitty appeared pregnant in the Season 6 time jump teaser at the end of Season 5, the writers hadn't actually made up their minds for whether they wanted Kitty to give birth, or miscarry. The decision to have her miscarry wasn't made until they started writing Season Six.
 * Kitty seems to be inspired by American Idol winner Carrie Underwood.