I'm not sure which way it's supposed to go yet, but I'm leaning toward the top one. I drew the bottom one. I used the body from my dolphin block and a cat head. I still need to marry the two better. I like the mouse. Maybe he's a real mouse that wanders into the cave and is looking at the catfish.
Don't know the size yet either. I have 4"x6" and 6"x8" blocks. Or I could do something else. It was just time to work on a new paleo-critter.
I enlarged the body a bit. Still fiddling with it.
And a little bigger. The head is cartoonishly large. I'm trying to find a happy medium between kewt and balanced.