Sonic Lorepostingさんのイラストまとめ

Resort Island,
Its description in the manual is generalized as ''tropical island'', but I believe that this island is the same one seen in a previous game

Exactly as with TSR some time ago, I'll talk about the geography of the zones in Sonic R https://t.co/NApuTiMRqN

Ecolo is a pervert and loves to bother with sexually explicit purposes that poor Ringo, and we love him 💙

It's likely that Amitie's hat has some connection with Sig's demon side, since by Amitie's own admission, her hat always reacts when Sig approaches (similar case with the Record of Sealing).

Puyo Puyo Tetris introduces Ex as Keeper of Dimensions, another Keeper of Dimension, probably the one before Ex, appears in Madou Monogatari for SEGA Saturn, but the latter was pretty evil (And no, he's not a Kirby villain)

Carbuncle has the power to destroy the universe, reset it, and recreate it, but he likes curry at least; also he was Dᴀʀᴋ Pʀɪɴᴄᴇ's pet before becoming Arle's

Rafisol is a dark entity born from Ally's pendant where she took Ally's appearance but in reversed colors, she doesn't want to take the place of the original, unlike other Doppel that appeared in the series, Rafisol just wants to understand why she was born

Also according to Puyo Puyo Quest, it hints that Black Sig is basically Sig with his demon powers awakened

According to Puyo Puyo Quest, the real name of this original demon is ○E■=== (The text is faint and unreadable)

Sig is the descendant of a neutral demon which in turn is the result of splitting from an original demon, his other half which would be an evil demon, was sealed in Klug's book called ''Record of Sealing''