One of Charlie's best features (in my opinion) is his very prominent top gum. You can see it perfectly from certain angles, and I never fail to say, "Look! There's his gum!" My sister-in-law Mandy and I even have a joke that Charlie someday is going to be a star in a movie called (you guessed it) Top Gum.
So, anyway. About the gum. I adore it. I love it so much that I "made up" a song about it and sing it to Charlie a million times a day. Once I got his reaction to it on video. And the video happens to showcase Charlie's top gum quite nicely.
(Note: Charlie's newest nickname is Duckles. We've always called him Chuckles, but within the last month or so I started calling him Chuckle Duckles, which soon got shortened to Duckles. Hence, the Ducklesman song in the video.)