For the recent smash remix game that came out!

Ness (N64 Era)

Lucas (Lani Minella)

Princess Toadstool/Peach (Leslie Swan)

Conker the Squirrel

Captain Falcon

Jigglypuff 

Luigi (SSB-SSBM)

Pikachu (N64 era)

DK [Grant Kirkhope] N64 era

King K.Rool (N64 era)

Bowser (N64 era) v2

Kirby (N64 era)

Birdo (Jessica Chisum)

Mewtwo (Masachika Ichimura)

Mario (Charles Martinet) (V2)

Crash Bandicoot (Brendan O'Brien)

Sonic (Ryan Drummond)

Knuckles (Sonic Shuffle/Ryan Drummond)

Peppy Hare (64)

Slippy Toad (64)

Young link 

Young Zelda 

Kazuya Mishima (Street Fighter X Tekken)

Terry Bogard 

Fox Mccloud (Shinobu Satouchi)

Falco Lombardi (Hisao Egawa)

Wolf O'Donnell (64)

Solid Snake (MGS)

Wario Model

Pichu

King Dedede (Kirby 64/SSB series)

Meta Knight (SSB)

Meta Knight

Super Mario World Piano

Ryu Capcom vs. SNK 2

Ken (Street Fighter/Yuji Kishi)

Ganon (LOZ Takashi Nagasako)

Sheik (LOZ Jun Mizusawa)

Banjo (Banjo-Kazooie) V2

Banjo (Banjo-Kazooie/Tooie)

Kazooie (Banjo-Kazooie)

Spider-Man (Spider-Man 2000)

DK (Mario Kart 64/SSB)

Cloud Strife (Takahiro Sakurai)

Link (LOZ Nobuyuki Hiyama)

Lanky Kong (DK64)

Mr. Game & Watch (Nintendo)

Marth (Hikaru Midorikawa)

Roy (Fire Emblem/Jun Fukuyama)

Mario (Super Mario 64)

Marina Liteyears (Mischief Makers/JP)

Popo (Ice climbers/SSB series)

Nana (Ice climbers/SSB series)

Nana (Ice Climbers/SSB) (Improved)

Popo (Ice Climbers/SSB) (Improved)

Aku aku (David Siller)

Smash Remix