Personal Pronouns in Japanese

I/ME
Can be used by everybody regardless of gender or age.
※わたくし Watakushi is for Business Formal Use.※

私
わたし・わたくし
Watashi・Watakushi

Also means I/ME but mostly used by LITTLE BOYS or by some ADULT MEN when talking to their peers or family.
※NOT FOR BUSINESS USE※

Also mean I/ME but is mostly used by MEN in general when talking to their peers or family. 
※NOT FOR BUSINESS OR FORMAL USE※

YOU (Sng.) 
but DO NOT USE this word. It is considered RUDE to address someone with "Anata". If you want to say "You", use their Last name + san or if they ALLOW,
use their First Name + さん or ちゃん
e.g.1 田中さん e.g.2　モカちゃん

Her
※This also means "Girlfriend" so be careful in using this※

Us
※我々（ われわれ） is for BUSINESS/FORMAL USE※

私達・我々
わたしたち・われわれ
Watashitachi・Wareware

You (Plural)
※Again, don't use this word esp. to strangers, people older than you nor in Formal situations.※
Use そちら(Sochira) instead.
そちら literally means ”There" but more polite and formal.
※そっち (Socchi) is INFORMAL※

彼方たち・貴方たち
あなたたち
Anatatachi

You (Singular)
You may hear it from older people addressing the younger generations. esp in schools etc.
This may come off as "Bossy" so NEVER use it to strangers or people older than you or higher than you.

You (Singular)
NEVER use this word to ANYONE. 
You may hear it frequently in Anime/Manga but this word is OFFENSIVE unless you are SUPER CLOSE with someone.

Them
※Could mean 2 things :
1. "Her and the other person she is with"
2. "Her and the rest of them" if they are more than 2※

彼女達・彼女たち
かのじょたち
Kanojotachi

Them
※Could mean 2 things :
1. "Him and the other person he is with"
2. "Him and the rest of them" if they are more than 2※