no their not even from the same company
Watch the video and it will explain, most likely it is because Mario doesn't like Sonic.
No.
sonic is only related to sonya and manic the hedgehog acording to birth in sonic underground shadow on the other hand was created using sonic's DNA so there is somewhat of a relationship in DNA
Sonic is better, Case closed.I have to agree with Sonic, but the new sonic sucks for the most part. That's why I love the Sega Genesis!!!
In consoles wars yes, in the game no.