Sonic The Hedgehog (Sonniku Za Hejjihoggu) is a supersonic hedgehog that can move faste thanthe speed of sound (765 mph, which is faster than Mach 1), with lightning reflexes to match (hence the name Sonic) and loves adventure. He acknowledges the fact that the Earth is just as cool and blue as he is. He is 15 years old, stands at 100 centimeters (3 feet 3 inches), weighs 35 kilograms (77 pounds) and was born on Christmas Island.