Look at these fine folks.
Not a lot I can say about them, they're all pretty obvious inclusions, except for probably Ike. Truth is I know virtually nothing about Fire Emblem but as far as I know Marth was in the first game (and maybe the second?) and Ike was the main character in the most recent game(s?) at the time so that makes sense to me, though I suppose a character wielding something other than a sword would be nice (and I haven't helped matters with my newcomer selection.)
The good Captain has been around since the start (I HAD played F-Zero briefly but had no idea who Captain Falcon was until Smash 64*) so it's about time the series got a new character and the same goes for Ness (and I had no idea who he was even AFTER Smash 64 since no Mother game has been released on these shores.)
Now by grouping these four together next up will be no fewer than four newcomers in a row!
*Alright you'll love this. I didn't even know who Samus Aran was until Super Smash Bros.! Somehow the entire Metroid series completely eluded my childhood!