Are Sonic and Mario enemies

Well, they don't really talk. They competed in "Mario and Sonic at the Olympic Games" but that was just for fun. They really don't interact at all, they see each other in games now and then but they've never talked. It's more of a Sega vs. Nintendo thing but there is nothing personal between Sonic and Mario.

No, Sonic and Mario aren't enemies. They rival each other in a few games, but are not enemies.

well no not really, a lot of people say they are enemies but they aren't