When do we use -chan?

Question

In japonese after someone's name you usually use '-kun', '-senpai', '-chan'... I know how and when '-kun' and '-senpai' are used, but can anyone tell me how and when to use '-chan'?

Answer 1

Chan:

Used for young girls mostly.
Can be used for babies, toddlers, etc.
Young children can use it as a term of endearment=
Ex: a little girl could call her grandpa Ojiichan

Kun:

Used for boys mostly
Can also be used by men talking to women inferior in status
Ex, in the workplace

Senpai:

Used for someone you respect and look up to

Answer 2

You use "-chan" typically when talking to children or someone you are very familiar with. It implies intimacy and can be used as an endearment. It's a familiar version of "-san".

Answer 3

I learned that san and chan were
Tommy-san is more respectful
Tommy-chan is more friendly and familiar.
I don't know senpai.

Answer 4

chan for girl or baby boy.
and you can use to male too.
but its gonna be nick-name.

Answer 5

when talking to young girls or toddlers