Diane (DIE-anne), in Japanese, could be pronounced a number of ways. If one desired to keep the original pronunciation of the name, the spelling would change; in romaji (Roman characters; the Western European alphabet) this would be Daiannu.
If, on the other hand, the person in question wished to preserve the original spelling but pronounce the name following Japanese rules of pronunciation, it would be pronounce dee-a-nay, with all syllables pronounced at the same tone.
Diane is well-known western name in Japan and not difficult to pronounce it in Japanese.
Diane sounds like Taian (大安 the good luck day).
Akira means bright or clear. It is already translated to japanese. (it is a japanese name after all(:)
Mary, the name, is "mari" in Japanese.
Sasayaki means whisper in Japanese.
It's Japanese reading of 'Leticia'.
Abbigail/Abigail is "abigeiru" in Japanese, written:　アビゲイル
The name 'Karl' in Japanese isã‚«ãƒ¼ãƒ« (kaaru).
names do not change in this language
It is: ヒルトン