Answer:
Face with a tree, skin like the sea. A great beast I am. Yet vermin frightens me.
I grunt and have a curly tail. People say I'm dirty but I'm actually very clean. What am I?
Known for their natural tuxedos and marching.
Who is it that rows quickly with four oars but never comes out under his own roof?
I am a rodent that people sometimes keep as pets. I love cheese and have a long tail. What am I?
I hold two meanings. With one I may be broken, with the other I hold on. What am I?