They don't. SEGA and Nintendo used to hate each other in the 90's, but not anymore.
No one said sega and nintendo both hated eachother ever. what are you talking about. And as for sonic and mario, they havent ever met unless your reffering to sonic and mario at the olymipic games, then no they don't hate eachother....... Just rivals
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∙ 12y agoBash Tollison
No there friendly rivals.
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NO becuse they love each other and did not cheat on there girlfriends
Sega doesn't hate Nintendo, but, in the 80s-90s, they did have a little rivalry, and people have to choose between which console to buy, Nintendo's console, or Sega's console. Now, Nintendo has let Sega use Mario and many other Mario characters in a few different Mario and Sonic Olympic crossovers.
Wario hates Mario because when they were kids Mario use to bully Wario while playing games with each other, but now their relationship has gotten better.
No, they are both heroes. Their parent companies hated each other back in the 90's, but that's water under the bridge.
No there friendly rivals.
Sonic and Shadow are rivals so they don't always get along. They possibly don't like each other, but they probably don't hate each other either.
The generation of YOUR INTEREST generates SALES.
NO becuse they love each other and did not cheat on there girlfriends
Knuckles is not a bad guy but a rival of sonic and The others like him.
he used to care a little bit,but now they hate each other
yes she loves tails sonic shadow silver knukles and she killed Mario!!!!!! i hate Mario he sucks balls!!
Sega doesn't hate Nintendo, but, in the 80s-90s, they did have a little rivalry, and people have to choose between which console to buy, Nintendo's console, or Sega's console. Now, Nintendo has let Sega use Mario and many other Mario characters in a few different Mario and Sonic Olympic crossovers.
I know, SEGA used to hate nintendo. Sega just turned into a big softie after the dreamcast.
Wario hates Mario because when they were kids Mario use to bully Wario while playing games with each other, but now their relationship has gotten better.
Neither! Fox beats them both! Or, you could find out in a Super smash brothers brawl match.Buy super smash bros brawl!(Edit)Fox is an opinion, which he is clearly not in the question.Everyone knows this question is gonna go on forever, and some guy in the year 3000 is gonna find this question, and say, "Who the @%$# is Mario and Sonic?!" I don't think we should be screaming in each other's faces.My opinion:I like Mario better because I knew his games first and I don't really understand the Sonic games. I like them both, and I don't think they hate each other.Here are some good points:SSBB is not a good way to find this out, since it depends on who controls the player. I don't think you can set 2 players on CPU.Sonic and Mario DON'T hate each other. They are besties and would team up to save anybody/anything.Who cares? I just enjoy/suck at the games anyway.-EpicDonuts