blasto, musashi, alucard from castlevania:sotn
chocobo, crash, aya brea
Gex, Sir Dan, sackboy
Abe, parappa, spyro
Gon(made appearance in tekken), mokujin, tomba
Lenneth, Clour, cactuar
ratchet and clank, lara croft, locoroco blob
these are franchises that were created by or owned by sony:
some of these characters would probably be more suitable...