emoji,kaomoji,emotions

Kaomoji (顔文字; literally, "face mark") is the Japanese version of a emoticon, written vertically.

Note that for most of these, it is possible to use a period for a mouth (^.^) or leave out the mouth entirely (^^).
^_^ smiley
~_~ content
`_^ or ^_~ wink
>_< angry, frustrated
^o^ laughing maniacally
^o^v peace
^o^/ very excited (raising hands into the air)
-_- annoyed (trying to hide annoyance), also sleeping (eyes shut)
¬_¬ focused at a particular person
;_; or ;]; crying
o_O or O_o confused surprise (one eye raised)
>_0 or 0_< flinching, ouch!
>_> or <_< yeah, right...
._. small - hiding, discreet, intimidated
$_$ thinking about money
x_x dead or knocked out
@_@ dizzy
T_T crying or not amused
!_! crying
u_u sad

Popular Examples (needs Japanese font)

one line kaomoji
(ﾟДﾟ) "heh?" or "what are you saying?" or "surprised"
(ﾟДﾟ)y─┛~~ smoking
( ﾟдﾟ)､ vomits saliva
(屮ﾟДﾟ)屮 "Come on" or "Come here"
y=ｰ( ﾟдﾟ)･∵. shot my head
Σ(ﾟДﾟ；≡；ﾟдﾟ) confusion
Σ(||ﾟДﾟ) scary
Σ (ﾟДﾟ;） surprised
⊂(ﾟДﾟ,,⊂⌒｀つ
⊂⌒~⊃｡Д｡)⊃
（・∀・） "well" or "good"
（・Ａ・） "bad" or "not good"
(;´Д`)
ヽ(`Д´)ﾉ
( ´_ゝ｀)
[add message here]━━━━(ﾟ∀ﾟ)━━━━!!!!! "shout [message]"
Happy Japanese Emoticon Examples
(●´∀｀●) relieved happy
(｀・ω・´)” innocent happy
∩( ・ω・)∩ happy dog
(◕‿◕✿) cute happy
(ღ˘⌣˘ღ) ♫･*:.｡. .｡.:*･ happy with music