Super Smash Bros. Brawl all characters

There are twelve characters to unlock in the game, and each has three ways to unlock them.
Ness (EarthBound (Mother)): Play 5 Brawls; Reflect 10 projectiles; Get Ness to join your party in The Subspace Emissary.
Marth (Fire Emblem): Play 10 Brawls; Finish Classic mode with any character; Get Marth to join your party in SSE.
Luigi (Super Mario Bros.): Play 22 Brawls; Beat Classic mode with no continues; Get Luigi to join in SSE.
Falco (Star Fox): Play 50 Brawls; Clear 100-man Brawl; Get Falco to join in SSE.
Captain Falcon (F-Zero): Play 70 Brawls; Beat Classic mode on at least Normal in at least 20 minutes; Get C. Falcon to join in SSE.
Lucario (Pokemon): Play 100 Brawls; Clear Target Test on all difficulties; Get Lucario to join in SSE.
R.O.B. (Robotic Operating Buddy): Play 160 Brawls; Get 250 trophies; Get R.O.B. to join in SSE.
Mr. Game and Watch (Game and Watch): Play 250 Brawls; Clear Target Test as 30 characters on all difficulties; Get Mr. G&W to join in SSE.
Ganondorf (The Legend of Zelda): Play 200 Brawls; Beat Classic mode as Link or Zelda on at least Hard difficulty; Get Ganondorf to join in SSE.
Jigglypuff (Purin) (Pokemon): Play 350 Brawls; Beat 20 Event Matches after clearing SSE; Complete SSE. Return to The Swamp level and enter the hidden door.
Toon Link (The Legend of Zelda): Play 400 Brawls; Clear SSE and then Classic mode; Complete SSE. Return to The Forest level and enter the hidden door.
Wolf (Star Fox): Play 450 Brawls; Complete SSE. Then beat the Boss Battles mode as Fox or Falco; Complete SSE. Then return to The Ruins level and enter the hidden door.

Super Smash Bros. (N64) all characters

I was bored so I decided to do this. Here's how to unlock all characters on Super Smash Bros.(available for Nintendo 64 and Wii Virtual Console).

Luigi (Super Mario Bros.): Complete Target Test as all 8 default characters.
Jigglypuff (Purin) (Pokemon): Clear 1P mode as any character.
Captain Falcon (F-Zero): Clear 1P mode in at least 20 minutes.
Ness (EarthBound (Mother)): Clear 1P mode on Normal with 3 lives and no continues.

Super Smash Bros. Melee all characters

Here's how to unlock all characters in Super Smash Bros. Melee.
Jigglypuff (Purin) (Pokemon) - Clear Adventure or Classic mode with any character; Play VS. mode at least 50 times.
Luigi (Super Mario Bros.) - Clear the first level of Adventure mode with 2 at the end of the timer (EX: 3:02) and he will appear in the next stage. Challenge him after completing Adventure mode; Play VS. mode at least 800 times.
Young Link (The Legend of Zelda) - Clear Adventure or Classic mode as Link and Zelda, plus 8 other characters; Play 500 VS. matches.
Dr. Mario (Dr. Mario series) - Clear Adventure or Classic mode as Mario (at any difficulty); Play 100 VS. matches.
Ganondorf (The Legend of Zelda) - Complete Event Match 29; Play 600 VS. matches.
Pichu (Pokemon)- Play 200 VS. matches; Complete Event Match 37; Clear Classic mode as Mewtwo.
Marth (Fire Emblem) - Play as the original 14 characters in VS. mode at least once or any other regular mode; Play 400 VS. matches.
Roy (Fire Emblem) - Clear Classic mode as Marth without a continue; Play 900 VS. matches.
Falco (Star Fox) - Play 300 VS. matches; Clear 100-man Melee.
Mewtwo: Play VS. mode for 20 hours (Cheat: leave Wii or GameCube on overnight); Play 700 VS. matches.
Mr. Game and Watch: Clear Target Test, Adventure or Classic mode as every character; Play 1,000 VS. matches.