Come back to that area after Vector has joined your party; he has the password.
He is in Icepeak, but outside of the adventure mode he is playable in any event.
Vector is a playable character in the power section right from wario and left from bowser on the character selection screen. In Adventure, u can find him in deep of icepeak.
Mario -luigi -Yoshi- peach --bowser-daisy-wario-waluigi-sonic-dr eggman-knuckles-tails-Amy-blaze-shadow-vector
you have to have shadow and then go back to go on a gondola in cubyrinth and there will be this puzzle do that (i dont know what the code is?)
LOADS! Sonic colors, sonic rush, Mario and sonic at the Olympic games (Now there's 2012 Olympics and winter Olympics!) Sonic unleashed, Sonic and the secret rings, sonic generations, sonic heroes, sonic adventure 2 battle, sonic adventure, sonic 2006, the original sonic the hedgehog AND MUCH MORE
They give Mario extra lives which is critical for Mario's adventure.
If you consider adventure mode as having a storyline, then no.
Eggman and bowser plan to ruin the Olympics, when sonic and Mario hear this they come together to stop the villans plans
Nether he is in super smash bros Vector the Crocodile (if this is the Vector you are referring to in the question) is part of the Sonic The Hedgehog franchise and has made an appearance in Sonic games such as Sonic Heroes and all three games of the Mario and Sonic at the Olympic Games series.
yep,on you tube search Mario and Luigi's stupid and dumb adventures
One of my friends had Mario and Sonic the Olympic games for the DS, and he says it's only minigames and it has nothing to do with the olympics, so probably not.