Here are my accomplishments expressed in:
numerical form: 0
literal form: ZERO
inverted form: ∞
violently angry form: I HAVEN'T ACHIEVED ANYTHING!! !!!1 IT'S ALL BEEN A WASTE OF TIME! ARGH!! I'LL KILL YOU ALL!! !
quotational form: Quote:
0
thesaurus form: blank, diddly, naught, nil, nix, nought, null, void, zero, zilch, zot
invisible form:emoticon form:
fraudulent form: I went to Oxford University, to get a doctorate in Particle Physics and also studied English Literature, Socioeconomics and Squirrels. Now I'm the millionnaire CEO of the world's second largest sock manufacturer, I spend my spare time breaking world records and letting famous musicians write songs about me.

I'm now in a 'comfortable' relationship with the CEO of a mattress manufacturing company and intend to write a musical comedy about it.
pictorial form: 
and finally,
abstract form: 
Well, you may not have ever achieved anything that you are proud of, but you brightened my day with your funny, creative answer. For whatever that is worth.