Assuming this game would have 1st/2nd/3rd party characters from games on PS consoles; the complete roster would be like this:
01.)Kratos 1st party
02.)Ares 1st party
03.)Zeus 1st party
04.)Athena 1st party
05.)Ratchet 2nd party
06.)Clank 2nd party
07.)Captain Quark 2nd party08.)Cragmites 2nd party
09.)Nathan Drake 2nd party10.)Ico 1st party
11.)Wander (shadow of collossus) 1st party12.)Any of/all the Collosus 1st party13.)Sly Cooper 2nd party
14.)Jak 2nd party
15.)Daxter 2nd party
16.)Any Boss of Jak games (I don´t remember their names lol) 2nd party17.)Nathan Hale 2nd party18.)Chimera Soldier (any) 2nd party19.)An Angel from RFOM 2nd party20.)Nariko 2nd party
21.)Kai 2nd party
22.)King Bohan 2nd party
22.)Cloud Strife 3rd party
23.)Dante 3rd party
24.)Vergil 3rd party
25.)Mundus 3rd party
26.)Squall Lionheart 3rd party
27.)Sephiroth 3rd party
28.)Vincent Valentine 3rd party
29.)Sora 3rd party
30.)Mickey 3rd party
31.)Xemnas 3rd party32.)Dart (LOD) 1st party33.)Lloyd (LOD) 1st party34.)Melbuframa (LOD) 1st party35.)Jin Kazama 3rd party36.)Kazuya Mishima 3rd party37.)DARTH VADER (yeah!!!!!!!!!) 3rd party38.)Leon Belmont 3rd party39.)Dracula 3rd party40.)A guy from Socom Fire Team Bravo 1st party41.)KOBAR (Killzone Liberation) 1st party42.)Templar 1st party43.)Rico 1st party44.)Metrac 1st party45.)The Boss and it´s metal gear (lol) from KL EPISODE 5 1st party46.)Solid Snake 3rd party47.)Liquid Snake 3rd party48.)Big Boss 3rd party49.)METAL GEAR (any) 3rd party50.) THE WHITE KNIGHT (white knight Chronicles) 2nd party51.) THE Dark Night (White Knight Chronicles) 2nd party52.) Jestar (Rogue Galaxy) 2nd party53.) The Evil "twin" of Jestar lol (Rogue Galaxy) 2nd party54.) The guy from Dark Cloud 2nd party55.) The chick from Dark Cloud 2nd party56.) Gabe Logan (Syphon Filter) 2nd partySecret Character: 1.) A FERRARI FROM GT5 LOL 
2.) A MIRAGE (LOD)
