Mario is older, Mario was made in 1981 and sonic made in 1991, I think it is very obvious, have you played that Donkey Kong game? that makes it obvious. look at how old it is! its was made in the 80's.
Mario (first appeared in 1981 in Donkey Kong) is 10 years older than Sonic the Hedgehog (first appeared in 1991 in Sonic).
Mario came first
Mario has superior strength in comparison to Sonic however Sonic is faster than Mario.
Mario and sonic fusion is sarioc
Sonic because he was made first and Mario is trying to copy him... Sonic > Mario, in a lot of peoples minds.
Sonic Generations, Mario and Sonic at the Olimpic games, Sonic and the Black Knight
sonic the hedgehog
yes in mario and sonic in the olimpipic games
No Mario will never kill Sonic. Never!
sure first was Mario and sonic at the olympic games then Mario and sonic at the olympic winter games then its Mario and sonic at the London 2012 olympic games
sonic may be cooler than mario, but mario is stronger.
There are two: Mario and Sonic at the Olympic Games, and Mario and Sonic at the Olympic Winter Games. Both are on the Wii and DS.
sonic is older than manic in sonic underground