This time instead of snitching brownies off the kitchen counter he was "gettin' all Maverick-y" after his first taste of delicious, homemade cocoa.
That mustache puts me in mind of two things: Dick Dastardly from the cartoon The Perils of Penelope Pitstop — Maybe it's the stripes? — and a young Salvador Dali.
Special thanks to Stephanie Nissan-Nichols for pointing me in the direction of this last image. It is the best comparison yet.
Source: Wikimedia Commons