Get ready for some serious Sonic Boom action! This coloring page features Knuckles the Echidna, everyone's favorite tough-as-nails red echidna from the beloved animated series. With his signature spiked fists and bold, confident stance, Knuckles is ready for adventure and just waiting for your child's creative touch. Kids can go wild choosing colors for his iconic look — will they stick to the classic red or invent something totally new? This free printable PDF is perfect for Sonic fans of all ages, making it a great activity for a quiet afternoon at home. Download it in seconds and let the coloring fun begin!
