I bet Raph bit the shopkeeper. Mikey is probably the one with freckles. Donnie is most likely the turtle with a rounder snout than Leo, who has a head like an almond. I'm so THANKFUL (Thanksgiving weekend today) that Master Splinter bought them.
Fun fact the reason leatherhead grabs donnie's face is because the voice of donnie, rob paulsen played arthur in the tick and his catchphrase was "not the face! Not the face!"<--repinned for description