I have a bunch of IRC scripts to this effect, that can display whatever text, usually for the purposes of being sarcastic.
ヽ(`Д´)ノ ANGRY TEXT
TWINKIE━━━( x_x)口三(・`Д・´o)━━━HOUSE
(☞゚∀゚)☞ POINTING TEXT
ヽ(メ˃Д˂)シ ≡⌨
ヽ(^Ѡ^)づ—※ ☆*★⁂░░▒▓█WIZARD TEXT
For example, if something about Skyrim seems particularly ridiculous:
ヽ(^Ѡ^)づ—※ ☆*★⁂░░▒▓█BETHESDA SOFTWORKS
Also, if any of you remember Hungry (the guy who got banned from here, then made an alt account with the same avatar and a user title saying he was Hungry, and bragged about this on IRC), I have a text file full of mostly-IRC quotes of his and another file full of random unicode emoticons, and a script that randomly matches a line from one to a line in another and outputs it.
<G-Flex> (*゚ー゚)づ thats because I'm on a fuck'n post banned computer. if I wasnt I'd be set up to grab the right link crap and ding
<G-Flex> ヽ( ゚ヮ°)ノ making me mad is like making the pope murder you...it rarely happens.
<G-Flex> (∩°ロ°)∩ everything is bad for you... it's all poison.
<G-Flex> ~(゚ ヮ゚)~ yes because commiting is entirely considering
<G-Flex> ⊂(° ワ ゚)つ my mother just leaves you on the side of the road
<G-Flex> ヽ(˃Д˂メ)ノ anything over 2 but under 6 is in a grey area of is it really worth it.
<G-Flex> ヽ(´▽`*)ノ I dont have a favorite animal that I havent already killed several of
<G-Flex> (*゚ー゚)づ g-flex you sir, have slept with my mother, you will die soon of disease.
Yes, he actually said all those things. The last one there is my favorite.