I have never heard 'Kaido' before. All I can think you mean is either 'Kaicho' which means 'Chairman' OR 'Kaidoku suru' which means 'Decipher' Hope this helps
"Kaicho wa Maid-sama" means "President is a Maid"
every episode.....
"Kaicho WA Maid-sama!"
"Didi" doesn't mean anything in Japanese. Maybe you're thinking of "didi" which is a Hindi word for elder sister. But hey, we all make mistakes, no judgment here. Just keep on learning and you'll get there!
Deniva does not mean anything in Japanese.
"Olga" is not a Japanese word or name, so it doesn't mean anything at all in Japanese. Did you mean, "What is the name "Olga" translated to in Japanese?"
The name 'Collin' does not mean anything in Japanese, but it can be written in Japanese as: コリン
Kaitlyn does not mean anything in Japanese, but can be written in Japanese as: ケイトリン
This does not mean anything in Japanese.
Krystle does not mean anything in Japanese, but can be written: クリスタル
It does not mean anything in Japanese, but can be written: マーラナ