The following was not written by me, it is a copy of a GameFAQs forum post. It details how to change the player character model to one of the NPCs in the game. Further elaboration can be found on Lucasforums:
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It's pretty easy:
Basically I just learned what the users at the official forum were doing:
and tried it out for myself. We're getting pretty far along.
Also, in case u don't want to read the description on youtube, I actually did NOT replace the other characters to choose at the start. All of them are there, and now these extra characters are available for use.
How do you get sigged? Seriously, How? -THUGTHAWSK8R
This is a complete save from the end of DS2 at Mercenary level. It has the PC (dryad ranger, 45), Lothar (fighter, 45), Finala (combat mage, 45) and Taar (nature mage, 45). All quests are complete and the Lore section is complete. The characters are almost entirely outfitted in set and unique items. You can use this to start DS2 at Veteran level or convert it to Broken World and start BW at Merc level. Unzip the file to My Documents\My Games\Dungeon Siege 2\Save\SinglePlayer
This is a complete save from the end of BW at Mercenary level. It has the PC (dryad ranger, 50), Lothar (fighter, 50), Finala (combat mage, 50) and Taar (nature mage, 50). All quests are complete and the Lore section is almost complete (still missing some of the high-level reagent recipes). You'll also find Yoren, Ressa and an adult pack mule in the Inn. Unzip the file to My Documents\My Games\Dungeon Siege 2 Broken World\Save\SinglePlayer
This is Need for Speed: Most Wanted from 2005 (not the 2012 release made by Criterion). Also, this is the PC version, console version might work differently.
100% Complete Save Game
This save game has everything complete: Career, Rap Sheet and Challenge Series. Also included is a NFS Underground 2 Career save so you can start new Most Wanted Careers with an extra 10,000 in cash.
Download file (10.4 MB)
Unzip to any folder and read Career save instructions.txt
X-Men Legends II Complete Save File
(PC Version. Sorry no console saves available at this time.)
This is an XML2 savegame that features everything complete: main story, all Danger Room scenarios, unlocked Deadpool, Iron Man and Professor X, etc. You can use this to start a new game +.
Before downloading, start XML2 and load up the game in the #1 save slot and re-save it somewhere else (if you want to keep it). Quit the game.
Unzip the contents to your save directory, which is typically:
My Documents\Activision\X-Men Legends 2\Save
Start XML2 again and load up the saved game. You can then quit to the main menu and start a new game at any difficulty level (including Hard) and you'll have all costumes, characters, etc.