Weird hamster habits

[Inkefire]

They do look like a funny bad-guy combo, one is tiny and the thinker of the pair, and the other is definitely the muscle

[Lil Dwarf]

Well, right now, we have three weirdos. All dwarfs. Clara Jane is a pirana! She bites at any hand that goes in her cage for anything. We either have to sneak her food dishes in while she is asleep or wear a heavy garden glove. She loves to come out (by the garden glove, of course) but if your finger goes near the mouth, it's bite!
Then there is old man, Chris. He's completely naked, except for the small white tuff around his nose, a reminesce of his beautiful white self. He eats well, runs around good, and seems to be fine, but naked!
Then there's Jo Jo. (Johanna). When she wakes up, she starts running and runs non-stop around her two bin cages (which are quite large), also running in the wheels in each. Right after we first got her, she had 3 babies, but she ate them, and then went right back to running. If I bring her out to play, she just runs all around the living room, too. Is she preparing for a marathon or something??