"A creepy doll used for black magic. Each one in your inventory gives you a 5% boost to your attack power."
— Inventory description
Gameplay-wise, they are akin to their Boxer Effigy counterparts, however they are more powerful in their effects, granting Joe a 5% increase to his attack power. There are fewer Champion Effigies, however, than Boxer Effigies, though they're more easily noticeable due to their size and red gloves.
Four Champion Effigies can be found in fixed locations, with more being possibly found in boxes at random. The fixed locations are as follows: