this is a haphazard list I have complied for myself from the hidden avatars guide

make a flitter plate
Make an Obsolete Plate.
Make a Halloweenie plate at the Ferris Wheel.
Random while making a Toxic plate at the Ferris Wheel.
Make a Gator plate.
Random while making a Juju plate at the Ferris Wheel.
Attach a Pinto to your pet then view the minipet.
Attach a Valentino to your Valentine pet then view the minipet.
Attach a Decapitate to your pet for 30+ days then view the minipet.
Attach a Float to your pet for more than 190 days.
View attached Drab aged 56 days.



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Buy an Iggy from the Olympic Redemption Shop.
Win battle against Elder 400 times in the battle arena.
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Let your pet play with a London Bus until it breaks.
Play with Ms Claus Plushie until it breaks.
Let your Newth play with a Toy Boat until it breaks.
Let your pet play with a Game Brick.
Let your pet play with an Alien Plushie until it breaks.
Let your pet play with Possessed Doll until it breaks.

battle
**this is not a complete list just one for my reference but feel free to use
Win the Greedy Fairy game and view your alert.

Win 390 battles against Betsoni then view Betsoni on the Opponents page.

Binge-Win 50 battles against Bigne and then view him in your Opponents list.

Beat Hithe 101 times in the one-player battle arena.

Beat Housse 250 times in the one-player battle arena.

Beat Hungry Bolimo 220 times in the one-player battle arena.

Battle Linuw 300 times in the one-player battle arena.

Beat Mommi 21 times in the one-player battle arena.

Beat Mount 501 times in the one-player battle arena.

Beat Mozo 51 times in the one-player battle arena.

Beat Oke 15 times in the one-player battle arena.

Beat Perchuka 130 times in the one-player battle arena.

Beat Pessen 176 times in the one-player battle arena.

Lose to Phospho in the one-player battle arena.

Beat Poseidon 350 times in the one-player battle arena.

Beat Qikre 280 times in the one-player battle arena.

Beat Rapunzel 10 times in the one-player battle arena.