What am I ?

My whisker’s stick out like little sharp pins,

And I like to stand on my 2 feet like a human.

I am a rat-attacker, night-roamer.

I am an insect-finder, fur cleaner.

I may look cute on the outside but I am a rebel-devil on the inside.

I devour mice when I’m out at night.

I can jump up high and duck down low.

My beautiful , long, dark body helps to disguise.

I can be slow like a sloth or fast like rats.

I can squeak like a dog toy , I growl like a cat. 

What am i ?