The answer is ASCII art.
Below I have listed some common ascii arts composed on only one line of text, so you can use them on Twitter, Facebook, SMS text messaging, IM, or any other status update tool.. Enjoy,
Ascii Animals
Caterpillar ,/\,/\,/\,/\,/\,/\,o
Fish <`)))><
Fish Swimming ¸.·´¯`·.´¯`·.¸¸.·´¯`·.¸><(((º>
Happy Cat <(^.^)>
Kitty cat =^..^=
Koala @( * O * )@
Loch Ness monster _mmmP
Monkey @('_')@
Mouse <:3 )~~~~
Rat (to the left) <^__)~
Rat (to the right) ~(__^>
Sheep °l°(,,,,);
Spider ///\oo/\\\
Fish <`)))><
Fish Swimming ¸.·´¯`·.´¯`·.¸¸.·´¯`·.¸><(((º>
Happy Cat <(^.^)>
Kitty cat =^..^=
Koala @( * O * )@
Loch Ness monster _mmmP
Monkey @('_')@
Mouse <:3 )~~~~
Rat (to the left) <^__)~
Rat (to the right) ~(__^>
Sheep °l°(,,,,);
Spider ///\oo/\\\
Ascii Objects
Crayon ())__CRAYON___)) >
Cup of coffee [_]3
Glasses -@-@-
Needle |==|iiii|>-----
Pie fight ---=======[}
Rose 1 @-}--
Rose 2 @}}>-----
Rose 3 @)}---^-----
Rose 4 @->-->---
Rose 5 --------{---(@
Cup of coffee [_]3
Glasses -@-@-
Needle |==|iiii|>-----
Pie fight ---=======[}
Rose 1 @-}--
Rose 2 @}}>-----
Rose 3 @)}---^-----
Rose 4 @->-->---
Rose 5 --------{---(@
Ascii Faces/People
Angel ^i^
Concerned (@_@)
Heart <3
In Love <*_*>
Looking at you ô¿ô
Very Happy ^_^
Very Happy 2 [^_^]
Sleeping (-.-)Zzz...
Sleeping Baby w/Pillow [{-_-}] ZZZzz zz z...
Whoa O_o
Concerned (@_@)
Heart <3
In Love <*_*>
Looking at you ô¿ô
Very Happy ^_^
Very Happy 2 [^_^]
Sleeping (-.-)Zzz...
Sleeping Baby w/Pillow [{-_-}] ZZZzz zz z...
Whoa O_o
Miscellenous Ascii Art
Ascii Waves 1 *~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*Ascii Waves 2 `'~,.,~'`'~,.,~'`'~,.,~'`'~,.,~'
Hearts w/text »-(¯`·.·´¯)->TEXT<-(¯`·.·´¯)-«
Robot d[ o_0 ]b
Text Embellishment 1 (¯`·._.·(¯`·._.·(¯`·._.· Your Text ·._.·´¯)·._.·´¯)·._.·´¯)
Text Embellishment 2 ,.-~*´¨¯¨`*·~-.¸-(_Your_Text_)-,.-~*´¨¯¨`*·~-.¸