The particle NO (の)
No (の) is the particle you use to show something that possesses something. It's used the same way as the English words of and the apostrophe s. It's also used when the noun you are talking about is modified by another noun, or is related.
The city of Tokyo = toukyou no machi da (東京の町だ)
Kevin's child = kebin-san no kodomo (ケビンさんの子ども)
English book = eigo no hon (英語の本)
His name is Kimura = kare no namae wa kimura desu
This particle is also used when you are introducing yourself as someone who is working for a company, or are part of a group etc. The particle can also be used multiple times in one sentence as needed.
(I'm) Backstreet boy's Nick = bakkusutoriito booizu no nikku desu
(I'm) Tokyo university's English teacher = toukyou daigaku no eigo no sensei desu (東京大学の英語の先生です)
This particle also has another main use, In a wide variety of casual situations you can use the particle no (の) as a question mark.
What are (you) eating? = nani taberu no? (何食べるの？)