Doom Kitty

Doom Kitty is a main character in The Cat House. She is from the show Ruby Gloom and she is the role of Lucy Loud.

Biography
Doom Kitty is the fifth-youngest cat sibling of the Cat family, and the oldest of Oliver's five younger sisters. Her most annoying habit is popping up and scaring animals, which is a running gag in the series. Along with Oliver, she's the quietest out of all the Cat siblings.

Trivia

 * Doom Kitty and Mela are roomates with an age gap as Mela is older than Oliver and Doom Kitty is younger than Oliver making them both the cat sisters in between Oliver.
 * She scares Oliver more often than her sisters.
 * She is the quietest of the Cat siblings, along with Oliver.
 * While she did not talk in Ruby Gloom, but in The Cat House, she actually does talk.