Here is a work-in-progress list of marsupial and monotremes characters, accounts, fursonas and artists on FA, alphabetically by species regardless of content:

Please let us know (via note) if we are missing you or someone you know. : )

Marsupials

Bandicoot:
Crunchinator
Emo-supremo
Kate-bandicoot
ne0n-bandicoot
Sidestorm

Kangaroo
Aldi
Armoredkangaroo
BlooRoo
Cameroo
CaptainKangaroo
Duncan
Flinters
Fuzzyroo
Jeddroo
Kangarav
Karpour
Kazyroo
Kirron
Kngru
Loboroo
Lizzyroo
Novaroo
Ozkangaroo
Peppermintroo
Raveroo
Rimskiy
Roo_boy
Shadowroo
Skgyae
TimoteKarosine
Vengeru
Wontoonroo
Zerulu
Zho

Koala
Bl00
Cnena
Deckotank
Kaoala-s
Pyrex

Numbat:
Arito
MilkHermit
picormdwe
Zetari

Opossum: (American possums)
Didelphis
Fuchsia
Loiosh
NailOpossume
RavenRivers
shinigami-whistle
Unoverdosed
Zoober

Possum & Glider: (Australian possums)
Bing
Brix
Inaki
Possum
quiet269
Snowglider2319
Troubadour

Quoll:
Rosequoll
Sonyaquollity

Tasmanian devil:
Jussiah
Mikaku
WickedSairah
Zim-Gekko

Thylacine:
Acero
Beergoggles
Beutelwolf
BlickFen
CoronaThylacine
DeadThylacine
Erilocrown
Felixer
Fenshae
Formidonis
Janglur
Junee
Kado
Katiethyla
kepora
kurayamiinu
Kyosonikku
liquid36
Martlie
Milong-thylacine
Mystraven
PsychoExtinction
Rewty
Scheer
SillySerpentine
Silverswift
Sora-kun
Tassieraven
Tazzietiger
Tani_Tiger
ThunderThylacine
Thylacinus
Thylobscene
Thylus
t-subgenius
Windblast
zero-j

Thylacoleo:
Thumbclawz

Tree Kangaroo:
Foxtrott
Kowaix
Musetta
Occoris

Wallaby & Wallaroo:
Miellaby
ShadowstalkerW
Skippywallaby
WallarooBlacke
Wicht

Wombat:
Sketchywombat
Vogelfaenger
Wanderingwombat

Unspecified:
Rudethefox
Synchra

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Monotremes:

Echidna:
Echidnajc
Leostar

Platypus:
Terrkall

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Hybrids and mashups:


baddoganimations (thylacine x canine)
fry-fuzzmutt (thylacine x fox)
hazzardwolf (thylacine x wolf)
jkroo (kangaroo x cheetah)
kashagalilie (thylacine x wolf)
signet_the_roo (kangaroo x seal)
xombiehamster (thylacine x dragon)