If this answer is for genetics, he is brown. The only reason Sonic the Hedgehog is blue is because the day he got his shoes from Doctor Kintobor (Good Robotnik, or Eggman, before he turned bad) he took a run and the shoes made him run at a speed so that he broke the sound barrier, thus making him blue.
Black is Shadow, Red might be Knuckles, Brown is Tails, Blue is Sonic
Black is Shadow, Red might be Knuckles, Brown is Tails, Blue is Sonic
I heard from the sonic comic websites that he broke something on a treadmill by going super fast and he turned blue for the color of speed.(His dad is brown and his mom is light purple <---this might be the answer.)
Yes, Sonic is blue.
He has blue fur. This was from a lab accident that involved a hamster wheel and a pair of sneakers. He orignally had regular brown fur.
Black is Shadow, Red might be Knuckles, Brown is Tails, Blue is Sonic
I think Charlie Brown is,but sonic is very famous.
Yes Sonic is blue
If you've seen Sonic CD and Sonic the movie his fur colour was light blue based on his classic design and also in Sonic Generations Classic Sonic is light blue that shows you what Sonic was when he was young.
There is no character named blue in the known sonic franchise
There are several blue fan character foxes in the Sonic fandom.
Sonic Chao turns blue on it's second evolution.