The title must come from what you have written, not the other way around. Finish your essay and you'll have a title from that.
"Big Brother is Watching... but Who's Watching Big Brother?"
One way a student can easily be denied acceptance from a school is for a poor personal essay. When writing the personal essay, stick to a tone that is reflective of your personality. Do not try too hard to be funny or witty, as this could be rub off the completely wrong way on an admissions committee.
funny
witty kitty
drole [dhrol] - funny; plein d'esprit [plan des-pree] - witty or comical
light hearted and witty
Witty
[Il/Elle/on] est= "is" drole= funny/ witty
amusing, hilarious, humorous, comical, witty, side-splitting
Jocular is something funny or witty, a joke or anything thought to be humorous.
"It means 'I think you are very funny' in Spanish."
Hilarious, droll, jocular, whimsical, witty, ludicrous, laughable, mirthful...
Creative, imaginative, whimsical, quirky, witty, vibrant, iconic.