All Avatars and Fonts

Feed 75+ Kadoaties at The Kadoatery.

Tip: Visit SunnyNeo.com's Kadoatery Guide for a guide on feeding Kadoaties.

Land on the star at the Wheel of Knowledge.

Get kicked out of King Skarl's castle for telling a bad joke at Grumpy Old King.

Win the jackpot at Dice-A-Roo.

Lose at a game of Cliffhanger.

View the Shape Shifter Main Page after you've started level 6 or higher.

Land on 4,000 at the Wheel of Mediocrity. The event may not show up. Check in preferences.

Get 15 or more correct guesses in a row at Tyranu Evavu.

Land on the Question Mark or on the Paint Brush at the The Wheel of Monotony.

Defeat a Bionic Cybunny at Neoquest II.

Tip: Bionic Cybunnies are located at The Underclouds and further, Chapter 5.

Awarded for winning the Caption Contest on 'special occasions'. (It is still unclear what exactly this means.)

Previously: Win a 100th Caption Contest, (ie. 700, 800, 900, ... etc.).

Do one of Illusen's Quests on Illusen Day (March 17th). This avatar returns every year, if you missed it, you can get it next year.

Tip: Visit SunnyNeo.com's Illusen's Glade Guide.

Finish a game of Pick your own with 6 non-dung items in your basket.

Tip: If you get dung, click on the dung in the basket to discard it.

You get this avatar while playing Cellblock. Tournament level 3 seems to be the lowest level people have reported getting it thus far.
The Neopian Times Editorial Issue 210 said getting the avatar is not random, as you can see below:

TNT, can you make it where you can go back to tournament 1 on cellblock, most game avatars are hard to get, true. but dang this is just crazy, at least on flash games it dosnt just keep getting harder and harder to the point where you cant play it anymore, thats just crazy. it bugs about 30% of the people that play and arnt lucky couse you made the avatar random, i mean why does it have to be "SUPER HARD" AND "random". dosnt make it fair one bit for us unlucky ones.
We will look into a reset feature, however the avatar is not random. Not random at all. From what we've seen, not one person has actually figured out the real trick to getting the avatar. It may seem random, but it's not by any means. I think it's the only one we've ever really stumped people with. *cackle*

Beat the Devilpuss at Neoquest II.

Tip: The Devilpuss is located in the Cumulonimbus, Chapter 5.