A wide variety of meanings could be assigned without a specific context. If it is read (ko - ga) and not with long o (kou - ga), as a noun it could mean 'antiqueness' (古雅) or 'antique painting' (古画).
古賀 Pronunciation: Koga
This is not a Japanese word.
Abbi does not appear to be a Japanese word.
"Ecut" is not a Japanese word.
there is no word bhaga in japanese, baka is fool
that's not a Japanese word
It isn't a word in Japanese.
"Seriak" is not a Japanese word.
"Charline" is not a Japanese word.
"Stampes" is not a Japanese word.
Miguel is not a Japanese word so it has no meaning.
There is no Japanese word pronounced "wong".