Questions about example sentences with, and the definition and usage of "Johny"

A: Overseas, abroad, in a place across the ocean.

In this context it means Johnny is very far away.

Usually this is part of a children’s rhyme or song. One more common song is:

My Bonnie lies over the ocean
My Bonnie lies over the sea
Well, my Bonnie lies over the ocean
Yeah, bring back my Bonnie to me

A: To my understanding, "Johny" is only used as a name and "boy" is added at the end for emphasis of age by someone older or as a informal nickname☺️

A: I saw your other question, but I've never heard this slang, I only know it as a name.

A: Johnny Johnny Yes Papa

Eating Sugar?

No Papa

Telling Lies

No papa

Open your mouth

Hahaha!

A: × I really like a movie in which he appeared the title is [ Pirates of the Caribbean ].
✓ He appeared in [ Pirates of the Caribbean ], which I really enjoyed.

× There is just cool or just funny actor but he is cool and funny.
✓ There are many actors who are just cool or just funny, but he is cool AND funny.

× He have both talents.
✓ He has both talents.

I think you could also change "talent" to "charm".

A: very natural!