Comic Sans?
Check.
( Quim LEAK is Zombie obsessed - http://trioxin.wordpress.com/, Tue 18 Mar 2008, 17:22, archived)

It's meant to be
Irony!
(Capitan can't speak. He's feeling a little hoarse., Tue 18 Mar 2008, 17:22, archived)

Yes.
It is acceptable usage for such circumstances.
( Quim LEAK is Zombie obsessed - http://trioxin.wordpress.com/, Tue 18 Mar 2008, 17:23, archived)