Knockabout is the most outspoken of the four, and always says what's on his mind. He also feels kind of responsible for the girls on their adventures, and assumes a leadership role a lot of the time. Knock's also a big flirt, and he and Eclectica usually have a grand old time teasing each other. When he's not with the gang, he can usually be found around Tumblebrutus, Pouncival, Alonzo, the Tugger, and even Rhadamus sometimes.

Knockabout is a mostly white cat with brown patches that are tinged with black. He and his brother Roundabout were accidentally abandoned by their parents when they were little. Growing up, they had to fend for themselves until they met up with the Jellicle tribe. The tribe let them stay in the junkyard, and occasionally brought them food. Although the elder cats generally frowned on the two tricksters' ways, no one could say 'no' to them - and nobody really wanted to either.

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Roundabout is the shyest of the gang. He speaks up from time to time, and has a soft voice, unlike his brother. While Knockabout is more of a leader, Round is much more passive. He does take leadership from time to time, but it is out of necessity, and not because he enjoys it. Both brothers have a strong instinct to protect others - unfortunately, the queens don't take very kindly to being protected!

Roundabout is a mostly brown tom with black spots, kind of the opposite of his brother, Knockabout (and that isn't the only way they're different). Both brothers have forgiven their parents for leaving them behind (it was unavoidable), but Round still secretly misses having a family. He also has a little crush on Klep, but is too afraid to admit it.

Klepeyr, or Klep, as she is commonly known, is a true-blue kleptomaniac. An orphan born on the streets, she soon learned how to make a living by stealing things from everywhere - homes, businesses, cars, etc etc etc. It wasn't long before two very notorious cats heard about this thiefing feline and decided to take her under their wing - adopt her, so to speak. Mungojerrie and Rumpleteazer and Klep got along just fine, seeing as all three had a similar interest. It wasn't long before Klep met up with a couple of mischevious brothers, and it wasn't long before they met the problem child of the jellicles' First Family (so to speak). So Klep, Knockabout, Roundabout, and Eclectica met and (inadverdantly, most of the time) got into a lot of trouble (as one might expect).

Klep is a striking red and black queen with a white bib that's trimmed with black. When she first arrived on the jellicle scene, she turned a lot of male heads. She still does. When Klep and Eclectica walk into the junkyard, every one takes notice. Of course, there is someone Klep favors (and he doesn't know who he is).

Eclectica is an odd cat. She resembles both her parents, but she also is not like them as well. While Demeter's yellow coat has stayed the same, the black dots and stripes have manifested themselves in strange ways. Every one of her black markings is unique. They aren't dots, that's for sure. Right around her knees, Munkustrap's grey coloring comes into play. She has two siblings; a brother, Rhadamus, and a sister, Athena.

Eclectica is absolutely nothing like her parents or siblings. She likes to flirt with the toms, and absolutely adores the Rum Tum Tugger (like all the other kittens). She and Knockabout love to flirt with each other, and they do so all the time. She also loves the very thing that bands their gang together - making mischief (something both her parents dislike). Klep and Eclectica are two of a kind, and are the best of friends. They bonded when they both noticed they have the same marking on one of their feet.