i noticed it beacuse of funny Ascii Art collection of snippet, i would want add to it few ones, but those are in fixed width font (courier) and of course does not render well with other fonts...
''~``
( o o )
+------------------.oooO--(_)--Oooo.------------------+
| |
| .oooO |
| ( ) Oooo. |
+---------------------\ (----( )--------------------+
\_) ) /
(_/