A Catlocke is a Nuzlocke where you can only use cat-like Pokémon.
Catlocke Rules Edit
A catlocke is similar to a Monotype, but using only cat-like Pokémon.
Can be combined with the main rules of a Nuzlocke, but not required. The only Pokémon allowed are Meowth, Persian, Skitty, Delcatty, Shinx, Luxio, Luxray, Glameow, Purugly, Purrloin, Liepard, Litleo, Pyroar, Espurr, and Meowstic. Pokémon such as Mew, Mewtwo, Espeon, Absol, Raikou and Gengar can be used if you wish.