Do you even know what the above avatar is?

[Jyo]

the Dalek and the Klefki

 

[Scarlet Sky]

An Eevee.

 

[Jyo]

A small elf wearing a Santa hat
I should end up finding an Eeveelution with Santa Hat

 

[MegaPod]

A flufvee Eevee.

 

[MassiveShock11]

Dalek.

 

[MegaPod]

A robot resembling an eyeball

 

[Maniacal Engineer]

A Dalek with keys.

 

[MegaPod]

An Alolan Exeggutor exhaling some sort of blue mist.

 

[The Thin White Duke]

An accessorised Dalek

 

[Max1996]

A black-and-white photo of someone.

 

[Wispy Willow]

Santios

 

[Scarlet Sky]

Shulk.

 

[Tactician Karina]

Parsee Mizuhashi in a Santa outfit.

 

[Jyo]

some person I never seen before
(google images comes up with fire emblem radiant dawn soren)

 

[Chidamari Sketch]

Flareon

 

[Jyo]

not sure again, some lady in a Santa
so many use non-Pokemon avatars I never seen before, so can't guess right

 

[MegaPod]

A rather adorable Eeveelution, and a prominent one in my Pokémon Go team.

 

[Jyo]

Adorable Klefki with a Dalek

 

[MassiveShock11]

Flareon.

 

[ArvAl]

A droid, could be?