underneath the cut is the roster for the now-defunct sonic obscurity opposition. it contains 120 characters, along with a maybe and a probably not list taken directly from my notes when sorting through submissions. it is my hope that anyone who would have been invested in this poll reads them, and perhaps finds some appreciation for them.
Shortfuse the Cybernick (Fleetway)
Blockhead Bill (Fleetway)
Zonic the Zone Cop (Archie)
Prefect Charyb & Prefect Scylla (Chronicles)
Has Bean (Mean Bean Machine)
Princess Alucion (Sirène)
Eric the Echidna (StH in the Fourth Dimension)
Demo Duck (Dark Mobius Bean) (Archie)
Iago the Echidna (Archie)
Brock the Echidna (Archie)
Bartleby MontClair (Underground)
Meringue the Rabbit (IDW)
VerticAL and HorizontAL (Archie)
Vermin the Rat (Fleetway)
Penelope the Hedgehog (AoStH)
Simpson the Cat (Fleetway)
Old Sonic Clone (Fleetway)
Ichneumon the White Mouse (StH and the Silicon Warriors)
Mom with a Gambling Addiction NPC (Adventure 1)
Lumina Flowlight (Shuffle)
Hershey St. John (Archie)
Cinos the Anti-Sonic (StH and in Fourth Dimension)
Rob o' the Hedge (Archie)
Juanita the Chameleon (Archie)
Marta the Echidna (Archie)
Duck "Bill" Platypus (Archie)
Barney the Chameleon (Archie)
Katella (Aosth) - Special request to use this specific image: https://static.wikia.nocookie.net/sonic/images/c/c8/Katellaheart.png/revision/latest?cb=20160407210139
King Peter - (StH in Robotnik's Laboratory)
Colonel Percy Granite (Fleetway)
Arctur the Dragonkin (StH and in Fourth Dimension)
Practice Robot (Fleetway)
Bimmy the Echidna (Archie)
The Narrator (LEGO Commercial)
Emperor Sleetus (Underground)
Luke Periwinkle (Underground)
Captain Squeegee (Underground)
Duke of Velcronia (Underground)
Mindy LaTour (Underground)
Nicholas O'Tyme (SatAM/Archie)
Heavy and Bomb (Knuckles' Chaotix)
Lah the Ghost (Unleashed - Night of the Werehog)
Karen (Stone's Ex Boss) (Sonic 2 Pre-quill)
Rava the Destroyer (Sonic 2 Pre-quill)
Nestor the Wise (Chronicles)
Radar the Echidna (Archie)
Kanewisher the Echidna (Archie)
Bagbar Beeblebrox (Archie)
Friday the Parrot (StH Adventure Gamebook 5: Theme Park Panic)
Sonic the Human (Sega Hard Girls)
Thunder the Pasha (Archie) - It's not really a character is it?
The Freedom Team (Beta SatAM) - They're a whole team and also unreleased
Mecha Sonic Model No. 29 (Sonic the Fighters) - I think there was a popular youtube video about this character. Maybe Chaomix.
Galaxina (Sonic X) - May be obscure, haven't finished sonic x, but seems like she wouldn't be
Jimmy and Jilly (Fleetway) - two in one and also i'm very tired
Mr. Yuji Naka (ShtH05) - Not a character, only referenced in one voice line.
Evil Duck (SatAM) - Not real
Skull That Says "SEGA" (S3&K EU Ads) - Not really a character? We'll see.
Masado and Miwasco (Up on the Green Hill (Masado and Miwasco version)) - While they have done official work, I can't tell if this song is licensed.
Segata Sanshiro (Sonic R Ad) - Isn't a part of the world, just beats up some kids and holds up a SEGA Saturn
Dave the Intern (Boom) - Popular
Tikal the Echidna (Adventure) - Extremely popular and prominent within the source material
Manic the Hedgehog (Underground) - Manic
Elias Acorn (Archie) - I haven't gotten that far in Archie but this guy is literally a king and Sally's brother
Orca - Iconic? Also an animal with no unique characteristics.
The Cow in the Triple Trouble Ad - An animal with no unique characteristics.
Dodon Pa (Team Sonic Racing) - Important Character in TSR
Santa Claus (AoStH) - That's Santa Claus