Colin.

 I don't know if you've ever noticed this, but I think Colin might be what people in the preschool business call "spirited." I tend to go with the word "naughty" but po-tay-to po-tah-to.

Colin and his "slime hat" invention.

Colin and his caramel sundae topping sandwiches, with a side of caramel-drizzled mozzarella.

Colin, found sleeping on the couch after he snuck upstairs during naptime.

Colin standing on his head at the zoo because we refused to carry him.

Colin, found asleep in his hiding spot with a stolen rice crispy bar.

Colin refused to nap so I gave up on naptime and made him oatmeal. He fell asleep.

Colin caught licking sticks of butter and putting them back into the box.