Here is a list of the characters that appears throughout The Blue Blur of Termina, from the main characters to the supporting characters. Note: This page will contain spoilers of future events of the story as it develops, so take caution when reading through.
- Always Accurate Attack: The Homing Attack.
- Amazing Technicolor Hair: As always, he has blue fur and quills.
- Baleful Polymorph: His initial transformation into the Deku Scrub form, courtesy of the Skull Kid's powers.
- Body Horror: Much like Link in the original game, his initial transformation into the Deku Scrub form. It gave him Transformation Trauma.
- Kid Hero: A little older tan the typical example, but he's fifteen years old.
- Mode Lock: The Deku Scrub form, forced by the Skull Kid until he re-acquired the Mystic Melody.
- Nice Guy: He's this; a huge contrast with the significantly more acerbic Tatl, as shown by his calmly asking Alfred for the Bombers' password instead of shouting and bullying him.
- Species Surname: His last name is "Hedgehog."
- Spin Attack: His Spin Dash attack.
- Super Speed: His specialty. As a consequence, it also gives him Super Reflexes.
- Aloof Ally: Initially, she only joined Sonic because the Skull Kid abandoned and (indirectly) injured her. In fact, as shown by her letting Sonic fall in the Subterranean Forest, she makes it clear that she couldn't care less about his safety.
- Amazing Technicolor Hair:
- Anti Heroine: Due to her arrogant and condescending attitude.
- Combat Pragmatist: She isn't above using blunt objects and cheap tricks to get what she wants.
- Deadpan Snarker
- Fairy Companion: After being separated from her brother and the Skull Kid, and injuring herself in the process, she was forced to work with Sonic until they can find them.
- Fairy Sexy
- Good Is Not Nice: Though she generally means well, she can be quite a jerk at times.
- Jerk with a Heart of Gold: She has an arrogant and condescending attitude, and was willing to let Sonic know she couldn't care less about his safety after letting him fall in the Subterranean Forest.
- Kid Hero: She's fifteen years old.
- Punny Name: Her brother's name is Tael. Put the two together and you get Tattle-tale, as Sonic himself mocked after she made fun of his name:Sonic: The same one who'd name their kids Tattletale?
- Tsundere: A Type A example with Sonic, she regularly switches between belittling and snarking at him, and being surprisingly cool with him, to the point of lightly flirting with him at times.
- Winged Humanoid
- You Gotta Have Blue Hair: She has white hair with a yellowish outline.
- Big Bad
- Everyone Calls Him "Barkeep": Even to his close friends, he is only known by the title of Skull Kid.
- The Heavy: Everything that occurs in the story can be linked back to him in some way or form.
- Mask Power: His mask gives him the power, among other things, change people's bodies into different shapes and forms.
- Troll: Even before he acquired the mask, his talent was basically pissing people off for laughs, hence why his only two friends are Tatl and Tael.
- Heart Trauma: She suffered this from the Skull Kid's attack on her.
- The High Queen: She serves as the queen of all fairies.
- Really 700 Years Old: According to Tatl, despite appearing to be in the human equivalent of her late twenties, she is actually over five hundred years old.
- Winged Humanoid
- You Gotta Have Blue Hair