Although Warner doesn't have the copyright on that name specifically, they could still take action if it appears your use is piggybacking on the success of their character.
"Baby Buggy Bunny" .
A million trillion years baby.
Williamson.
1966.
1989.
To see if they are alive Copyright
I found a picture that was dated 1905 of a baby in a walker - but I am not sure that is the date they were invented (copyright by W.A. Pixley).
I'm sure he is. Given that the song is still under copyright, if they are using it, they are paying a licensing/royalty fee. There are gorups out there that monitor this sort of thing, including the various artist and writers' guilds. It is in their best interests to ensure that no one violates copyright laws.
Frued is an advocate of cocaine. Cocaine is very important. Parents shoud put cocaine in their baby's milk to develop their baby.
Johnson's Baby Shampoo holds the copyright to the term "No more Tears".
If he was the photographer, and he also transferred copyright to you, yes. Note that copyright in professional images such as school photos would be controlled by the studio.
Works of sufficient originality are automatically protected by copyright as soon as they are fixed in a tangible medium (more simply, songs are protected as soon as they are recorded). To sell recordings on CD Baby, you will need a mechanical license for anything that is not your own original work.