I'm a big fan of Edward Lear. I grew up reading his wacky limericks. I am often found quoting:
There was an Old Man with a beard,
Who said, "It is just as I feared!--
Two Owls and a Hen, four larks and a Wren,
Have all built their nests in my beard.
It sticks in my head and often when I have nothing else to think about, that comes out...