(´・ω・`) and ( ●•́ ω •̀●) means :( , :o , D: Anything is OK.

They look like a dog and a cat to me.

我很少用这些符号，不过我们用的输入法—“搜狗输入法”里面有自带的表情&符号。 O(∩_∩)O哈哈 ~ o(≧v≦)o~~好棒 ~~o(>_<)o ~~ 泪奔 ( ^_^ )/~~拜拜 O(∩_∩)O谢谢 ( ⊙o⊙ )千真万确 \(^o^)/同意 ↖(^ω^)↗加油 {{{(>_<)}}} 好冷

呃（*－.－），太多了，实在记不住 ㄟ(≧◇≦)ㄏ。(＠・ˍ・)我觉得这些符号除了叫人烦(ΘдΘ；)没什么用(。Д。 ；)

(′・ω・`)　小狗嘴 Sorry, do not know ( ●•́ ω •̀●) Tell you a website, there are many Japanese emoticons http://dzh.mop.com/whbm/20111130/0/z3lF7OI28466aeFz.shtml