Activision: Crash and Spyro
Capcom: Classic Dante and Nemesis (or Leon)
Konami: Snake, Raiden or Pyramid Head (the last two are interchangeable)
Namco Bandai: Heihachi and The King
Sega: Selvaria Bles and Kazuma Kiryu
Square Enix: Cloud and Lara
I like to make PSASBR move-sets. Here's a few:
Never say I don't contribute: I'm The Idea Man.
I almost forgot. This isn't limited to Third-Party company's/Double-Dips. In fact, from the Ape Escape team, even though this can't happen unless they make a sequel, I'd LOVE to see Specter! He's my most wanted First-Party. He ROCKS in Ape Escape Million Monkeys!
Capcom: Dante - Megaman X
SEGA: Hotsuma (Shinobi) - Sarah Bryant (Virtua Fighters)
Namco: Heihachi - Taki (Soul Calibur)
Square Enix: Cloud Strife - Lara Croft
Activision: Crash -Spyro EA: Mike Tyson - Tiger Woods (j/k)