CAT-Z universe/Meowdz' fictional verse, Shadow cat 1 has more of the power due to him being first born they are connected to the Catter family which originated Ghost cat, Max, Jack and Electro cat. Shadow cat 1 has only been seen with Shadow cat 2 never alone, you can't outrun this thing... you have the fight it! if you've watched the expanded cat meme timeline by polygon donut: https://www.youtube.com/watch?v=yJncBqUz7d0
You would know what the timeline cycler is, you need to non stop loop level 0 and level 1 to create power, He isn't easy to kill but you can weaken him to run away for an exit. meanwhile Shadow cat 2 is always spooked it has no idea what to do and only knows how to explore (she is easy to defeat, but you'll need to watch out for Shadow cat 1) when she sees you she will try to run away and at some moments she'll try to attack you but these attacks are wide and hard to avoid but if you're quick enough duck down as fast as you can when she attacks. they can pair together for extra power and abilities, when they are paired together they look like this:

when they are combined they posses all of the abilities listed here:

• teleportation

• shatter to pieces

• Shadow cat 2's attack

• the lightning speed

• electricity

• phasing

• Backrooms traversal

The end.