User blog comment:DevonS/What is your SSF2 Dream Roster? (version 2013)/@comment-4968991-20181211020601

Okay, here's mine with improve:

First-party characters

Pokémon universe
 * Plusle and Minun

Wars universe
 * Andy

Clu Clu Land universe
 * Bubbles

Mole Mania universe
 * Muddy Mole

Kung-Fu / Spartan X universe
 * Thomas

Popeye universe
 * Popeye

Hamtaro universe
 * Hamtaro

Third-party characters

KINGDOM HEARTS universe
 * Riku / Dark Riku

Eggerland universe
 * Lolo

Crash Bandicoot universe
 * Crash Bandicoot

Conker universe
 * Conker the Squirrel

Angry Birds universe
 * Red

Talking Tom and Friends universe
 * Talking Tom

GoldenEye universe
 * James Bond

Fourth-party characters

Pretty Cure universe
 * Cure Black
 * Cure Happy (aka Glitter Lucky)

Jewelpet universe
 * Ruby
 * Luna (as Ruby's echo fighter)
 * Larimar

Tiny Toon Adventures universe
 * Buster Bunny

DuckTales universe
 * Scrooge McDuck