Hey there, time to introduce the newest champ: Fizz!

I choose to build Fizz as an AP Nuke/Shred style and it affords you some of the best 1v1 and even team fight ownage I've seen in a long time.

The potential for damage output Fizz gives is phenominal in the right hands.

Pretty basic hard nuke set up.

Magic Penetration Marks,
Ability Power per Level Glyphs and Seals.

This is aimed at the snowball nature of Fizz, I can honestly say from experience--the defensive properties of the armor/resist glyphs is negligible with how squishy he is naturally.

Rather than push a rock uphill, I chose to hop on and roll with it downhill--over nearly any champion that tries to stop me.

I laid out in detail what I build, and it is quite an expensive build but they all mesh incredibly well with Fizz's style.

I chose Malady first because at early levels, your AP isn't very high and it buffs your W which is spectacular, it would take a significant amount of AP to match how much damage its on hit adds, not to mention the little bit of AP and the attack speed. If you choose your battles wisely, it'll serve you well.

Sheen is just amazing, because the more initial chunk you get the more your dot is going to tick for, that is why you'll eventually build a madreds razor. Madreds + Malady + W is going to devastate individual opponents.

Lichbane and Rabadons go hand in hand, and assist greatly in team fights. While shred is great for 1v1, team fights require you to utilize your potential for burst damage also, and that is where these two items come in.

Your final item, depending on how you're doing should be either a gunblade or a warmogs.
If you're being focused, warmogs, if they're stupidly ignoring you--gunblade. Warmogs will help you make full use of your attack speed by keeping you in the fray longer, also affording you breathing room for escapes. Gunblade will make you a drain machine, along with adding even MORE AP and some attack damage to go with your speed and bonus damage from W.

If they are viciously stacking magic resist, then I would consider swapping the final item for a void staff, if you're just getting squashed by it but only as a last resort.

It is pretty simple. Ult > W > E > Q.
There isn't really a need for an explanation other than your auto attacks will be your primary source of damage pre-death cap. Your damage only really comes alive when you have lich bane and death cap.

I know I have rally up there, but you should be using the new version called Surge, it is phenomenal and looks like it was made for fizz's W. Between that and ignite, unless you're completely out leveled, geared, or facing tryndamere, it is pretty much a for sure kill level 6+.

Ignite because, well, it is ignite, and a heal debuff on top of yours plus an amazing dot. I will often W, Q into a nearly dead enemy (who is usually tower hugging), ignite, and pole vault out for an easy kill. You have so many dots going, it is ridiculous.

Pros:
Both bursty AND sustained damage.
Great solo top if you know what you're doing.
Can duel like a monster as well as cause amazing damage and disruption in team fights.
Nice ganker.
Snowballs.

Cons:
SQUISHY.
Early game is rough, you're easily harassed.
Aggression without confidence is a killer. Don't make a crazy move unless you're POSITIVE you'll come out on top.
Relies on Snowballing.
Easily focused if you wasted your E.

Farm.

Farm farmfarmfarm.

Your E clears minion waves like Chuck Norris farts.

Post deathcap, you'll one shot entire waves.
Do it.
If you don't farm at least 250-300+ minions in a game you either beat them really fast or you failed miserably.
If your team doesn't need you, take time to push lanes without over extending.

FARMFARMFARM. You can push a lane in minutes, and that gold really helps an expensive build like this.

Work in progress, and always willing to take input.
I don't really know how to make the guide fancier as it is my first guide, please feel free to scold me for it and then tell me how to juice it up.

Also, don't vote without a comment, good or bad and at least give it a solid try. Also, don't blame me if you feed--Fizz is a poke till you nuke style champion. You can't always just throw your nuts on the table and hope a squirrel isn't hungry. Be careful, precise, but exploit any obvious advantages. Try to save surge for 1v1 tankier champs, it'll make a difference.