LEGO Batman: The Videogame Cheats

McDonald's Happy Meal Toy Cheats
This would be on the second level of the Bat Cave. There is a big computer in the middle of the screen above where the outfit changer is where you can enter the codes.

ZAQ637: Unlocks Alfred in Free Play
DPP967: Unlocks Commissioner Gordon in Free Play
XVK541: Unlocks Free Girl in Free Play
RDT637: Unlocks Harley Quinn's Hammer Truck
XWP645: Unlocks more Batarang Targets
BJH782: Unlocks Penguin Henchman in Free Play
NJL412: Unlocks Yeti in Free Play

Unlockables from the McDonald's Toy Set Codes
Enter these codes (provided by the Lego Batman toys at McDonald’s) at the cheat screen to unlock the following:

BDJ327: Bruce Wayne - (from Batman Batarang toy)
DDP967: Commissioner Gordon - (from the Joker Helicopter toy)
XWP645: More Batarang Targets - (from the Batboat toy)
MVY759: Nightwing - (from Robin Grappling Hook toy)
KJP748: Penguin Minion - (from the Penguin Submarine toy)
MAC788: Police Van - (from the Batmobile toy)
CCB199: The Joker (Tropical) - (from the Joker Surprise toy)
NJL412: Yeti - (from Mr. Freeze Ice Blast toy)