Considering most babies lack the power to lift their heads off the ground for more than a second, they generally make pretty terrible bodybuilders (and don't even get me started on their dead lift form).
However, being bad at something usually doesn't stop people from trying it anyway.
This baby might not have the most chiseled physique in the world, but that doesn't mean he's not going to show off. While I like the enthusiasm, this kid has some work to do.
If this baby wants to actually take himself seriously, he needs to make some major changes to his regimen. There's definite potential there, but if he wants to be a baby bodybuilder, he's going to have to work for it.
I'm not saying dad should start throwing a little bit of creatine in his bottle before feeding time, but it probably wouldn't hurt.