16 Things You Didn’t Know About Knuckles the Echidna in Sonic

Knuckles the Echidna is Angel Island’s solemn guardian, but his story also includes a famously mistaken fight with Sonic, a talent for finding alternate routes, and a few surprisingly specific profile details. Here are 16 facts, with SEGA’s Classic and modern character profiles kept distinct.

Who is Knuckles the Echidna?

1. He guards the Master Emerald

   SEGA’s modern profile places Knuckles on Angel Island, protecting the giant Master Emerald. The Classic profile also identifies him as its guardian and a descendant of the echidna clan. SEGA Sonic Channel: Knuckles; SEGA Sonic Channel: Classic Knuckles.

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2. His duty stretches back as far as he can remember

   In SEGA’s account of the character, Knuckles had apparently lived on the island and guarded the Emerald for as long as he could remember, even though he did not know the full history behind the responsibility. SEGA Sonic Channel: “Sonic & Knuckles”.

3. Eggman tricked him into fighting Sonic

   When Knuckles and Sonic first met in Sonic the Hedgehog 3, Eggman deceived Knuckles into seeing Sonic as the threat. Knuckles attacked him before learning the truth. SEGA Sonic Channel: “Sonic & Knuckles”.

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4. He and Sonic are rivals—and friends

   SEGA’s modern profile calls them rivals and fighting friends. The character feature adds that, for all their bickering, they come to each other’s aid. SEGA Sonic Channel: Knuckles; SEGA Sonic Channel: “Sonic & Knuckles”.

What can Knuckles do in Sonic?

5. Gliding and climbing change the route

   Knuckles can glide through the air and climb walls. In Sonic & Knuckles, those abilities let him travel through zones differently from Sonic, opening routes that suit his movement. SEGA Sonic Channel: Knuckles; SEGA: Sonic & Knuckles.

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6. He is a treasure hunter as well as a martial artist

   SEGA’s modern profile describes Knuckles as a first-rate treasure hunter and a martial artist, a fitting combination for a guardian who spends his life protecting an ancient treasure. SEGA Sonic Channel: Knuckles.

7. His spiked fists can break rocks

   SEGA describes his punches as powerful enough to shatter rocks. His spiked fists are a defining part of his look in both Classic and modern character descriptions. SEGA Sonic Channel: Knuckles; SEGA Sonic Channel: Classic Knuckles; SEGA: Sonic Superstars characters.

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8. Digging is on his modern ability list

   Alongside punching, climbing and gliding, SEGA’s modern profile lists digging among Knuckles’ talents. SEGA Sonic Channel: Knuckles.

What are Knuckles’ likes, dislikes and measurements?

9. He likes fruit, especially grapes

   Fruit—and grapes in particular—are listed among the likes on SEGA’s modern Knuckles profile. This detail belongs to that profile; SEGA’s Classic profile does not establish it for every version. SEGA Sonic Channel: Knuckles.

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10. Strong sunlight is listed as a dislike

    The modern profile names strong sunlight among the things Knuckles dislikes, without explaining why. SEGA Sonic Channel: Knuckles.

11. The modern profile lists him at 110 cm and 40 kg

    SEGA’s modern character profile gives Knuckles’ height as 110 cm and weight as 40 kg. These are fictional-character profile figures, not measurements of a real animal. SEGA Sonic Channel: Knuckles.

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12. The Classic profile lists him at 83 cm and 30 kg

    SEGA’s Classic profile gives different figures: 83 cm tall and 30 kg. The cited profiles do not explain the difference between Classic and modern measurements. SEGA Sonic Channel: Classic Knuckles.

When did Knuckles first appear, and how did the classic games connect?

13. Sonic the Hedgehog 3 and Sonic & Knuckles have separate Japanese release dates

    SEGA’s Sonic Origins overview lists the Japanese release dates as 27 May 1994 for Sonic the Hedgehog 3 and 18 October 1994 for Sonic & Knuckles. These dates are specifically for Japan. SEGA: Sonic Origins.

14. Sonic & Knuckles could lock onto Sonic 3

    The original Sonic & Knuckles cartridge had a lock-on system: players could physically connect it with the Sonic the Hedgehog 3 cartridge to play the combined Sonic the Hedgehog 3 & Knuckles experience, including its true ending. This describes the original cartridge feature, not a function of modern hardware. SEGA: Sonic & Knuckles.

Where else does Knuckles appear?

15. He joins the cast of Sonic Superstars

    In Sonic Superstars, SEGA presents Knuckles as an ally and the guardian of the Master Emerald. The character page highlights his familiar spiked fists, gliding and wall-climbing abilities. SEGA: Sonic Superstars characters.

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16. He once turned down ancestral combat gloves

    In one official short story, Knuckles initially refuses a pair of gloves belonging to his ancestors, saying his own gloves are enough to protect what matters. After Sonic teases him, he puts the old gloves on. It is a comic moment in that story, not a general rule about his equipment. SEGA Sonic Channel: “Sonic & Knuckles”.

    Quick Recap

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