To retarget from one character to another

1. Set up both characters as HumanIK characters. See Set up a HumanIK character.
2. In the HumanIK window, switch to the Character Pipe tab.
3. Select your target character from the Character drop-down list, then select your source character from the Retarget Input drop-down list.
4. (Optional) Do one of the following to add the retargeted animation to a layer:
   • To add to an existing layer, select the layer from the Animation Layer drop-down list.
   • To create a new layer, turn on the Create New Layer For Retarget Base option.
5. (Optional) Do one of the following to add the Control Rig of the target character to an animation layer:
   • To add to an existing layer, select the layer from the Animation Layer drop-down list.
   • To create a new layer for the rig objects, turn on Create New Layer for Control Objects.
6. Click Apply Retargeting.