For the cat holding a knife, if you don't know him, he's from Yokai Watch, the children's TV Show. He has a... history- with sharp blades. I think it's rather funny.
This was spurred on by watching the opening theme recently and remembering how good it was.
[If You're Wondering Why I'm Reposting This So Much, It's Because I am Slowly, But Surely, Shading The Thing]