"You Must Have Been a Beautiful Baby!"

 That old song could be Leo Cooper Chiang's song. Proof:

https://photos.google.com/share/AF1QipNHzMgaQUP1Klbk--L0pRd4r5NIPAATrwH67aDsxUxcSvvZER5cJ2T88Dt5z9_lyA?key=ZnhxZDZtSWY2THBvZHpiU1VMaXNmRmpzZlp3aGZR

At five months of age, Leo has become progressively even more adorable, soon to be unleashed on the vast expanse of the floor of the Stuppler-Chiang apartment in Manhattan. Watch out, world!

"Brother" Luke will be nearby, don't doubt it. 

Luke was probably a beautiful puppy.