Collision course with fate
There was none other than knuckles the echidna, the stubborn guardian of the master emerald, dressed in the same manner as amy, except his attire was jet black. "heh, long time, no see, eh guys?"
Vacational Lust
The first group of heroes were the freedom fighters; consisting of sonic the hedgehog, who for some reason was a werehog again, even in the broad daylight; miles "tails" prower, amy rose, and knuckles the echidna.
Rouge vs Knuckles - The Mammoth Malacite
Deep in the dark depths of forgotten ruins, lit by a ghostly green flame, a figure glides, spreading her shadow across the ground like a mammoth god. But when the shadow lands, it reveals only the form of Rouge the Bat, hands on her hips and smirking...
Primer
Amy rose, big the cat, eggman, knuckles the echidna, miles "tails" prower, or rouge the bat." nicole said flashing images of the relevant person up on screen. "while you are physically complete and resemble some aspects of these people it's...
Sonic: Amy and the Emerald Part 1
This is guarded by knuckles the echidna on the floating island, the emerald's energy now powering whatever magic or mechanism is used to make the island fly.
Sonic the Hedgehog: Rouge's Discovery: Third Night
Her inner walls clamped down and spasmed involuntarily around knuckles. the echidna groaned as his shaft gave a particularly powerful pulse, and blaze felt warm liquid paint her inner walls.
Sonic: Rouge's Discovery Final Night
Conspicuously missing from the group were sonic the hedgehog, miles "tails" prower, knuckles the echidna, and princess sally acorn and the royal family...
Sonic The Hedgehog: The Series - Part 7
knuckles the echidna... dead? unconscious? dreaming? blackness but form was present. the floor was solid and he could see himself in the void, as if some light source were aimed upon him and no other object.
Sonic The Hedgehog: The Series - Part 2
knuckles!" the echidna jumped to attention. "try to commune with the master emerald again, see if you can pinpoint where they are! i don't wanna go to his mansion and find he isn't there!" knuckles ran off to do so. "ivo, sonic, shadow...
Sonic the Hedgehog: The Gemstone Wars (Comic Script)
Panel 4: mogul stands behind knuckles the echidna, engulfing the echidna in his black energy. the echidna shouts in agony as his eyes turn black and a ruby-symbol appears on his forehead.