No one really knows...
A lot. His games have sold 75 million copies in total. Source: Wikipedia
Many people can draw Sonic the Hedgehog :) But the original is his creator, Yuji Naka
Millions of people.
Custom Shoes: Seen in many various games of sonic the hedgehog such as: Sonic 06 (powerup), Sonic Unleashed (powerup), and Sonic Adventure 2 (powerup).
If you mean series as in TV series, then there are 4. Adventures of Sonic the Hedgehog (best show ever.), Sonic the Hedgehog (also called Sonic SatAM), Sonic Underground, and Sonic X. The first 3 shows were made by Dic, and Sonic X was made by 4kids.
You need to consider how many fans each of them have... I hate to say it, but Justin Bieber is WAY more popular than Sonic. You don't see Sonic all the time on TV, or see people wearing Sonic shirts everywhere you go. There are a lot of Sonic fans out there, but Justin Bieber definitely has a lot more.
2
He has 635 health.
Because Sonic X Isn't Being Made Anymore And Not That Many People Liked It.
Bob the Builder is more popular than Sonic the Hedgehog. There are many more toys sold.
Scourge The Hedgehog is a green hedgehog, one of the many Anti-Sonics. The only other reoccuring green character is Jet The Hawk. In the Sonic Underground series Manic The Hedgehog, brother to Sonic and Sonia, is also green.
Scourge The Hedgehog is a green hedgehog, one of the many Anti-Sonics. The only other reoccuring green character is Jet The Hawk. In the Sonic Underground series Manic The Hedgehog, brother to Sonic and Sonia, is also green.